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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions ( 3 Of 12) >> Repair Instructions >> Camshaft Replacement (L87, 2WD with RC1) >> Installation Procedure

Installation Procedure

  1. GM5591309Courtesy of GENERAL MOTORS COMPANY

    Remove the M10-1.5 x 120 mm (3) and the M10-1.5 x 45 mm (2) bolts.

  2. Remove the EN-42386  Flywheel Holding Tool (1).
  3. GM5621025Courtesy of GENERAL MOTORS COMPANY

    Camshaft (1) - Install

  4. GM5621027Courtesy of GENERAL MOTORS COMPANY

    Camshaft Retainer (1) - Install

  5. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  6. Camshaft Retainer Bolt (2) - Install and hand tighten [ 4x ]
    7. CAUTION:

    Refer to Fastener Caution .

  7. Camshaft Retainer Bolt (2) - Tighten in sequence [ 4x ] - Fastener Specifications
  8. GM5587689Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • When reusing valve lifters (1), ensure the lifters to their original locations.
    • Only replace the valve lifters (1) and valve lifter guides (2) as required.
    • If camshaft replacement is required, the valve lifters (1) must also be replaced.

    Lubricate the valve lifters (1), valve lifter guides (2) and the engine block valve lifter bores with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers , Adhesives, Fluids, Lubricants, and Sealers

  9. Install the raised surface of the valve lifter (1) into the notched area of the valve lifter guide (2).
  10. GM5587687Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The notched area of the valve lifter guides (2) align with the locating tab on the engine block.

    Install the valve lifter guide (2) and the valve lifters (3) as an assembly.

  11. Valve Lifter Guide Bolt- Left Side (1) - Install and tighten [ 2x ] - Fastener Specifications
  12. GM5587689Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • When reusing valve lifters (1), install the lifters to their original locations.
    • Only replace the valve lifters (1) and the valve lifter guides (2) as required.
    • If camshaft replacement is required, the valve lifters (1) must also be replaced

    Lubricate the valve lifters (1), valve lifter guides (2) and the engine block valve lifter bores with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers

  13. Install the raised surface of the valve lifter (1) into the notched area of the valve lifter guide (2).
  14. GM5588248Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The notched area of the valve lifter guides (2) align with the locating tab on the engine block.

    Install the valve lifter guide (2) and the valve lifters (1) as an assembly.

  15. Valve Lifter Guide Bolt- Right Side (3) - Install and tighten [ 2x ] - Fastener Specifications
  16. GM5567786Courtesy of GENERAL MOTORS COMPANY

    Valve Lifter Follower (3) - Install

  17. Valve Lifter Follower Guide (2) - Install
  18. Valve Lifter Follower Guide Bolt (1) - Install and tighten - Fastener Specifications
  19. GM5608780Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Sprocket (1) @ Crankshaft - Install

  20. GM5608803Courtesy of GENERAL MOTORS COMPANY

    Rotate the crankshaft sprocket until the sprocket alignment mark (1) is in the 12 o'clock position.

  21. GM5608823Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Tensioner (1) - Install

  22. Timing Chain Tensioner Bolt (2) - Install and hand tighten
  23. Remove and DISCARD the tie strap from the actuator.
  24. GM5608828Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The alignment mark on the camshaft position actuator (2) and the alignment mark on the crankshaft sprocket (1) are off-center from the oil pump feed hole gasket on the timing chain tensioner. The alignment marks need to be lined up with one another, but NOT with the oil feed hole.

    The camshaft sprocket alignment mark (1) and the crankshaft sprocket alignment mark (2) must be aligned properly.

  25. GM5608832Courtesy of GENERAL MOTORS COMPANY

    If the alignment marks on the camshaft position actuator (1) and crankshaft sprocket (2) are difficult to see or line up, an alternate method can be used. Mark the gear tooth directly opposite of the alignment mark on the camshaft position actuator. Mark the gear tooth directly opposite of the alignment mark on the crankshaft sprocket.

  26. GM5608838Courtesy of GENERAL MOTORS COMPANY

    The timing chain has 30 links. Place links (1) and (30) on either side of the mark made on the camshaft position actuator and place links (15) and (16) on either side of the mark made on the crankshaft sprocket. This will ensure that the factory alignment marks are in the correct position and that the engine is properly timed.

  27. GM5608839Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Properly locate the camshaft position actuator (1) onto the locating pin of the camshaft (2).
    • The sprocket teeth and timing chain must mesh.
    • The camshaft and the crankshaft sprocket alignment marks MUST be aligned properly.
    • Do not use the camshaft position solenoid valve again. Install a NEW valve during assembly.

    Identify the alignment hole (1) in the rear face of the camshaft position actuator and the locating pin (2) on the front face of the camshaft.

  28. GM5608758Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    Refer to Camshaft Position Actuator Removal and Installation Warning .

    Install the camshaft position actuator (3) and timing chain (1). Align the hole in the rear face of the camshaft position actuator with the locating pin on the front face of the camshaft. If necessary, rotate the camshaft or crankshaft sprockets (2) in order to align the timing marks. Use care to install the actuator (3) completely onto the front of the camshaft. Position fingers onto the face of the actuator sprocket and push the actuator onto the front of the camshaft. Never push on the reluctor wheel when attempting to install the actuator.

    29. NOTE:

    Never push on the reluctor wheel when attempting to install the actuator.

  29. Position fingers onto the face of the actuator sprocket (2) and push the actuator onto the front of the camshaft.
  30. GM5591309Courtesy of GENERAL MOTORS COMPANY

    Position the EN-42386  Flywheel Holding Tool (1) into place.

  31. Install the M10-1.5 x 120 mm (3) and M10-1.5 x 45 mm (2) bolts and tighten to 50 N.m (37 lb-ft).
  32. GM5608754Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution

    CAUTION:

    Refer to Component Fastener Tightening Caution .

    Camshaft Position Actuator Solenoid Valve (1) - Install NEW and tighten - Fastener Specifications

  33. GM5608844Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    It is possible to push the camshaft rearward when installing the camshaft position actuator solenoid valve. Verify that the camshaft lobes are centered in the valve lifter bores after the camshaft position actuator is installed.

    Locate a straight edge (1) across the front face of the engine block (2) and inspect for proper installation of the camshaft position actuator and timing chain (3). With the camshaft position actuator properly and completely installed onto the front of camshaft, the timing chain (3) will not protrude beyond the front face of engine block (2).

  34. GM5608828Courtesy of GENERAL MOTORS COMPANY

    Inspect the sprockets (1, 2) for proper alignment. The mark on the camshaft position actuator sprocket (1) should be located in the 6 o'clock position and the mark on the crankshaft sprocket (2) should be located in the 12 o'clock position.

  35. GM5608845Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Tensioner Bolt (1) - Install and hand tighten

  36. GM5608851Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Tensioner Bolt (1) - Tighten [ 2x ] - Fastener Specifications

  37. GM5608752Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-46330  Timing Belt Tensioner Retaining Pin (1) from the timing chain tensioner (2).

  38. GM5617529Courtesy of GENERAL MOTORS COMPANY

    Oil Pump (1) - Install

  39. GM5617530Courtesy of GENERAL MOTORS COMPANY

    Oil Pump Bolt (1) - Install and hand tighten [ 4x ]

  40. Oil Pump Bolt (1) - Tighten in sequence [ 4x ] - Fastener Specifications
  41. GM5590062Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Apply a 3 mm (0.118 in) bead of RTV sealant on the engine front cover (1). Adhesives, Fluids, Lubricants, and Sealers

  42. Apply a 5 mm (0.197 in) bead of RTV sealant on the engine front cover (2). Adhesives, Fluids, Lubricants, and Sealers
  43. GM5615528Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover (2) - Install

  44. Engine Front Cover Bolt (1, 3) - Install and hand tighten [ 10x ]
  45. Engine Front Cover Bolt (1, 3) - Tighten in sequence [ 10x ] - Fastener Specifications
  46. GM5615529Courtesy of GENERAL MOTORS COMPANY

    Connect Oil Pump Flow Control Solenoid Valve Wire connector (3) at the Oil Pump Flow Control Solenoid Valve (4).

  47. GM5607186Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    If the engine front cover is reused, the crankshaft front oil seal must be replaced.

    If the engine front cover is reused perform the following steps:

      NOTE:
      • For proper orientation, note the installation direction of the crankshaft front oil seal (3). The crankshaft front oil seal is a reverse-lip design. Install with "THIS SIDE OUT" displayed as shown.
      • Do NOT lubricate the crankshaft front oil seal sealing surface.
    1. Install the crankshaft front oil seal (3) with "THIS SIDE OUT" facing away from the engine.
    2. Install the NEW crankshaft front oil seal (3) to the EN-51091  Crankshaft Front Oil Seal Installer (2).
    3. Install the EN-41478-A  Crankshaft Front Oil Seal Installer (1) and the EN-51091  Crankshaft Front Oil Seal Installer (2) into the crankshaft.
    4. Rotate the EN-51091  Crankshaft Front Oil Seal Installer (2) clockwise until the NEW crankshaft front oil seal (3) enters the engine front cover and seats into the bottom of the engine front cover.
    5. Remove the EN-41478-A  Crankshaft Front Oil Seal Installer (1) and the EN-51091  Crankshaft Front Oil Seal Installer (2) from the crankshaft and engine front cover.
    6. Inspect the crankshaft front oil seal (3) for proper installation. The oil seal should be installed evenly and completely into the engine front cover.
  48. GM5570478Courtesy of GENERAL MOTORS COMPANY

    Apply a 3 mm (0.118 in) bead of RTV sealant on the oil pan (1). Adhesives, Fluids, Lubricants, and Sealers

  49. Apply a 5 mm (0.197 in) bead of RTV sealant on the oil pan (2). Adhesives, Fluids, Lubricants, and Sealers
  50. GM5577840Courtesy of GENERAL MOTORS COMPANY

    Oil Pan High Pressure Port Seal (2) - Install NEW [ 2x ]

  51. Oil Pan Front Seal (3) - Install NEW
  52. GM5569924Courtesy of GENERAL MOTORS COMPANY

    Oil Pan (1) - Install

  53. Oil Pan Bolt (2, 3) - Install and hand tighten [ 16x ]
  54. Oil Pan Bolt (2, 3) - Tighten in sequence [ 16x ] - Fastener Specifications
  55. GM5589667Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Connect

  56. GM5644061Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (3) - Install

  57. Engine Wiring Harness Retainer (2) - Install
  58. Engine Wiring Harness Ground Stud (1) - Install and tighten [ 2x ] - Ground Repair
  59. GM5504569Courtesy of GENERAL MOTORS COMPANY

    Install and tighten the transmission fluid auxiliary cooler pipe bracket nut (1). Fastener Specifications

  60. GM5644122Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Components removed in graphic to better illustrate service parts.

    Transmission Fluid Cooler Pipe Clip Bracket (2) @ Oil Pan - Install

  61. Transmission Fluid Cooler Pipe Clip Bolt (1) @ Oil Pan - Install and tighten - Fastener Specifications
  62. GM5760502Courtesy of GENERAL MOTORS COMPANY

    Transmission Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications

  63. GM5584621Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Balancer (1) - Loosely install

  64. GM5584620Courtesy of GENERAL MOTORS COMPANY

    Install the EN-41478-A  Crankshaft Front Oil Seal Installer (3) and the EN-41665-A  Crankshaft Balancer and Sprocket Installer (2) to the crankshaft.

  65. Using the EN-41665-A  Crankshaft Balancer and Sprocket Installer (2), properly seat the crankshaft balancer (1).
  66. Remove the EN-41478-A  Crankshaft Front Oil Seal Installer (3) and the EN-41665-A  Crankshaft Balancer and Sprocket Installer (2).
  67. GM5644180Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution

    Crankshaft Balancer Bolt (1) - Install NEW and tighten - Fastener Specifications

  68. GM5538525Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector @ Knock Sensor (4) - Connect

  69. GM5604735Courtesy of GENERAL MOTORS COMPANY

    Oil Filter (1) - Install and tighten - Fastener Specifications

  70. GM4997286Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Hose Bracket Nut (1) - Install and tighten - Fastener Specifications

  71. GM5582330Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Gasket (2) - Install NEW

  72. Engine Oil Cooler Hose (1) @ Oil Pan - Install
  73. GM5582326Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Adapter Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications

  74. GM5582300Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Engine Oil Pressure Sensor - Connect

  75. Wiring Harness Retainer (2) @ Engine Oil Cooler Hose - Install
  76. GM4997823Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Pressure Sensor Sleeve (1) - Install

  77. GM5535978Courtesy of GENERAL MOTORS COMPANY

    Lubricate the oil level indicator seal (2) with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers

  78. Oil Level Indicator Seal (2) - Install NEW
  79. Oil Level Indicator Tube (1) @ Oil Pan - Install
  80. GM5535977Courtesy of GENERAL MOTORS COMPANY

    Connect the wiring harness connectors (3) and retainers as needed.

  81. Engine Wiring Harness Retainer (1) @ Oil Level Indicator Tube (2) - Connect
  82. GM5591309Courtesy of GENERAL MOTORS COMPANY

    Remove the M10-1.5 x 120 mm (3) and M10-1.5 x 45 mm (2) bolts.

  83. Remove the EN-42386  Flywheel Holding Tool (2)
  84. GM5585543Courtesy of GENERAL MOTORS COMPANY

    Torque Converter Cover- Right Side (2) - Install

  85. Torque Converter Cover Bolt- Right Side (1) - Install and tighten - Fastener Specifications
  86. GM5585541Courtesy of GENERAL MOTORS COMPANY

    Torque Converter Cover- Left Side (2) - Install

  87. Torque Converter Cover Bolt- Left Side (1) - Install and tighten - Fastener Specifications
  88. GM5569910Courtesy of GENERAL MOTORS COMPANY

    Starter (1) - Install

  89. GM5569840Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (3) - Connect

  90. Protective Sleeve (4) - Install
  91. Starter Solenoid Cable (1) - Install
  92. Starter Solenoid Cable Nut (2) - Install and tighten - Fastener Specifications
  93. GM5569758Courtesy of GENERAL MOTORS COMPANY

    Starter Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications

  94. GM5569769Courtesy of GENERAL MOTORS COMPANY

    Starter Solenoid Cable (2) - Install

  95. Battery Negative Cable Ground Bolt (1) - Install and tighten - Fastener Specifications
  96. GM5569721Courtesy of GENERAL MOTORS COMPANY

    Starter Heat Shield (2) - Install

  97. Starter Heat Shield Bolt (1) - Install and tighten - Fastener Specifications
  98. GM5569719Courtesy of GENERAL MOTORS COMPANY

    Starter Heat Shield Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications

  99. GM5651698Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Frame Front Crossmember (1) - Install

  100. GM5651694Courtesy of GENERAL MOTORS COMPANY

    Drivetrain and Front Suspension Frame Reinforcement Bolt (2) - Install [ 4x ]

  101. Drivetrain and Front Suspension Frame Reinforcement Nut (1) - Install and tighten [ 4x ] - Fastener Specifications
  102. GM5620579Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Install the heater coolant pump and heater water auxiliary pump bracket (2) as assembly.

  103. Heater Water Auxiliary Pump Bolt (1) - Install and tighten - Fastener Specifications
  104. Electrical Connector @ Heater Coolant Pump (2) - Connect
  105. GM5591026Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Support the front stabilizer shaft (3).

  106. Front Stabilizer Shaft (3) - Install
  107. Front Stabilizer Shaft Clamp (2) - Install [ 2x ]
  108. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  109. Front Stabilizer Shaft Bolt (1) - Install and tighten [ 4x ] - Fastener Specifications
  110. GM5567753Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Connector Seal (1) @ Valve Rocker Arm Oil Control Valve Harness (2) - Install NEW

  111. GM5567750Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    All gasket surfaces should be free of oil or other foreign material during assembly.

    Engine Block Valley Cover Gasket (2) @ Engine Block Valley Cover (1) - Install NEW

  112. GM5567748Courtesy of GENERAL MOTORS COMPANY

    Engine Block Valley Cover (1) - Install

  113. Engine Block Valley Cover Bolt (2) - Hand tighten [ 9x ]
  114. Engine Block Valley Cover Bolt (2) - Tighten in sequence [ 9x ] - Fastener Specifications
  115. GM5567747Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Oil Control Valve Extension Harness (1) @ Valve Rocker Arm Oil Control Valve Harness - Connect

  116. GM5568498Courtesy of GENERAL MOTORS COMPANY

    Ensure the 2 plastic fastener retainers (3) are installed in the fuel pump mounting holes before installing the fuel pump.

  117. Fuel Pump Bracket Gasket (5) - Install NEW
  118. Fuel Pump (4) - Install
  119. Fuel Pump Cover (2) - Install
    120. CAUTION:

    Alternately hand-tighten the fuel pump bolts one turn at a time until the pump is fully seated. Trying to draw down the pump without even side-to-side tightening may result in pump plunger damage.

  120. Fuel Pump Bolt (1) - Install and hand tighten [ 2x ]
  121. Fuel Pump Bolt (1) - Tighten [ 2x ] - Fastener Specifications
  122. Install the fuel pump and fuel injector wiring harness and connect as necessary.
  123. GM5582380Courtesy of GENERAL MOTORS COMPANY

    Cylinder Head Gasket- Left Side (1) - Install NEW

  124. Cylinder Head- Left Side (2) - Install
  125. GM5582379Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution

    Cylinder Head Bolt M12 x 134 (2) - Install NEW and hand tighten [ 9x ]

  126. Cylinder Head Bolt M12 x 102 (1) - Install NEW and hand tighten
  127. Cylinder Head Bolt (1, 2) - Tighten in sequence [ 10x ] - Fastener Specifications
  128. Install the fuel pump and fuel injection fuel rail wiring harness and connect as necessary.
  129. GM5582297Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (2) - Install

  130. Engine Wiring Harness Ground Bolt (1) - Install and tighten - Fastener Specifications
  131. GM5569419Courtesy of GENERAL MOTORS COMPANY

    Lubricate the flange of the 8 valve rocker arm bolts with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers

  132. Lubricate the 8 valve rocker arms and push rods (1) with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers
    133. NOTE:
    • When using the valve train components again, always install the components to the original location and position.
    • Valve lash is net build. No valve adjustment is required.
    • Ensure the valve push rods (1) seat properly to the valve lifter sockets.
    • The rocker arm bolts are not serviced separately.
    • DO NOT tighten the rocker arm bolts at this time.
  133. Valve Push Rod- Left Side (1) - Install [ 8x ]
  134. GM5569335Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The valve rocker arm support bolts (2) are not serviced separately.

    Valve Rocker Arm (1) - Install [ 8x ]

  135. Valve Rocker Arm Pivot Support Bolt (2) - Hand tighten [ 8x ]
  136. Valve Rocker Arm Pivot Support Bolt (2) - Tighten [ 8x ] - Fastener Specifications
  137. GM5549498Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover Gasket- Left Side (2) @ Valve Rocker Arm Cover (1) - Install NEW

  138. GM5549496Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Valve Rocker Arm Cover- Left Side (2) - Install

  139. Valve Rocker Arm Cover Bolt (1) - Hand tighten [ 9x ]
  140. GM5549496Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover Bolt (1) - Tighten in sequence [ 9x ] - Fastener Specifications

  141. Engine Wiring Harness Connector @ Ignition Coil - Connect [ 4x ]
  142. GM5584910Courtesy of GENERAL MOTORS COMPANY

    Cylinder Head Gasket- Right Side (2) - Install NEW

  143. Cylinder Head- Right Side (1) - Install
  144. GM5584908Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Torque-to-Yield Fastener Caution

    Cylinder Head Bolt- Right Side (1) - Install NEW and hand tighten [ 10x ]

  145. Cylinder Head Bolt- Right Side (1) - Tighten in sequence [ 10x ] - Fastener Specifications
  146. Connect the electrical wiring harness connectors to the bank 2 fuel injection fuel rail.
  147. GM5584907Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (2) @ Cylinder Head - Connect

  148. Engine Wiring Harness Ground Bolt (1) - Install and tighten - Fastener Specifications
  149. GM5569717Courtesy of GENERAL MOTORS COMPANY

    Lubricate the flange of the 8 valve rocker arm bolts with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers

  150. Lubricate the 8 valve rocker arms and push rods (1) with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers
    151. NOTE:
    • When using the valve train components again, always install the components to the original location and position.
    • Valve lash is net build. No valve adjustment is required.
    • Ensure the valve push rods (1) seat properly to the valve lifter sockets.
    • The rocker arm bolts are not serviced separately.
    • DO NOT tighten the rocker arm bolts at this time.
  151. Valve Push Rod- Right Side (1) - Install [ 8x ]
  152. GM5569716Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The valve rocker arm support bolts (1) are not serviced separately.

    Valve Rocker Arm (2) - Install [ 8x ]

  153. Valve Rocker Arm Pivot Support Bolt (1) - Hand tighten [ 8x ]
  154. Valve Rocker Arm Pivot Support Bolt (1) - Tighten [ 8x ] - Fastener Specifications
  155. GM5549964Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover Gasket (2) @ Valve Rocker Arm Cover (1) - Install NEW

  156. GM5549960Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Valve Rocker Arm Cover- Right Side (2) - Install

  157. Valve Rocker Arm Cover Bolt (1) - Hand tighten [ 10x ]
  158. Valve Rocker Arm Cover Bolt (1) - Tighten in sequence [ 10x ] - Fastener Specifications
  159. Engine Wiring Harness Connector @ Ignition Coil - Connect [ 4x ]
  160. GM5549959Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet and Outlet Hose Bracket (2) - Install

  161. Heater Hose Clip Bracket Bolt (1) - Install and tighten - Fastener Specifications
  162. GM5614523Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT reuse the fuel feed intermediate pipe (1). If the 2 fuel feed intermediate pipe nuts (3) are loosened or the fuel feed intermediate pipes are removed, the fuel feed intermediate pipes MUST be replaced.

    Fuel Feed Intermediate Pipe (1) - Install NEW

    1. Slide the 2 fuel feed intermediate pipe nuts (3) back along fuel feed intermediate pipe (1) to reveal the 2 formed ends (2) of the fuel feed intermediate pipe (1).
    2. Carefully install the 2 formed ends (2) of the fuel feed intermediate pipe (1) into the sockets of the left and right fuel injection fuel rail. Take care not to hit the 2 formed ends (2) of the fuel feed intermediate pipe (1) on the threaded sockets on the fuel injection fuel rails.
    3. Hold the fuel feed intermediate pipe (1) firmly in place and hand tighten the 2 fuel feed intermediate pipe nuts (3).
  163. Fuel Feed Pipe Bolt (4) - Tighten - Fastener Specifications
  164. Fuel Feed Intermediate Pipe Nut (3) - Tighten [ 2x ] - Fastener Specifications
  165. GM5608922Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Do NOT reuse the fuel feed intermediate pipe (1). If the 2 fuel feed intermediate pipe nuts (2) are loosened or the fuel feed intermediate pipes are removed, the fuel feed intermediate pipes MUST be replaced.

    Fuel Feed Intermediate Pipe (1) - Install NEW

    1. Slide the 2 fuel feed intermediate pipe nuts (2) back along fuel feed intermediate pipe (1) to reveal the 2 formed ends (3) of the fuel feed intermediate pipe (1).
    2. Carefully install the 2 formed ends (3) of the fuel feed intermediate pipe (1) into the sockets of the fuel pump (4) and the fuel feed intermediate pipe (5). Take care not to hit the 2 formed ends (3) of the fuel feed intermediate pipe (1) on the threaded sockets of the fuel pump (4) and fuel feed intermediate pipe (5).
    3. Hold the fuel feed intermediate pipe (1) firmly in place and hand tighten the 2 fuel feed intermediate pipe nuts (2).
  166. Fuel Feed Intermediate Pipe Nut (2) - Tighten [ 2x ] - Fastener Specifications
  167. GM5569057Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Pipe (2) - Install

  168. Fuel Feed Pipe (2) - Connect - Metal Collar Quick Connect Fitting Service
  169. Fuel Feed Pipe Bolt (1) @ Fuel Feed Pipe (2) - Install and tighten - Fastener Specifications
  170. GM5569054Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Pipe (1) - Install

  171. Fuel Feed Pipe (1) - Connect - Metal Collar Quick Connect Fitting Service
  172. Connect the electrical wiring harness connectors from the fuel rails.
  173. GM5557530Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.

    Fuel Pump Insulator (1) - Install

  174. Engine Wiring Harness - Install
  175. GM5581818Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bracket Bolt (1) - Install and hand tighten

  176. GM5581817Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (1) - Install

  177. GM5581814Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bolt (1) - Install and hand tighten [ 2x ]

  178. Engine Wiring Harness Bolt (1) - Tighten [ 2x ] - Fastener Specifications
  179. Remove the covers from the cylinder head passages.
  180. GM5541471Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Gasket (1) - Install NEW [ 8x ]

  181. GM5540978Courtesy of GENERAL MOTORS COMPANY

    Clean all sealing surfaces.

  182. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
    183. NOTE:

    The aid of an assistant may be helpful in holding the engine harness up out of the way so the upper intake manifold cover does not get caught against the engine harness.

  183. Position the intake manifold and Intake manifold cover (1) to install harness retainers.
  184. GM5540975Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1) @ Intake Manifold Cover (2) - Install [ 4x ]

  185. Move the intake manifold and intake manifold cover (2) into place.
  186. GM5540977Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Intake Manifold Bolt (1) - Hand tighten [ 10x ]

  187. Intake Manifold Bolt (1) - Tighten in sequence [ 10x ] - Fastener Specifications
  188. GM5540974Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1) @ Intake Manifold Cover (2) - Install [ 3x ]

  189. GM5540973Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1) @ Intake Manifold Cover (2) - Install [ 4x ]

  190. GM5540971Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Connector (4) @ Evaporative Emission Canister Purge Solenoid Valve - Connect

  191. Engine Wiring Harness Connector (3) @ Manifold Absolute Pressure Sensor - Connect
  192. Engine Wiring Harness Retainer (2) @ Intake Manifold Cover - Install [ 2x ]
  193. Engine Wiring Harness Connector (1) @ Throttle Body - Connect
  194. GM5538400Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Canister Purge Tube (2) @ Evaporative Emission Canister Purge Solenoid Valve - Install

  195. Evaporative Emission Canister Purge Tube Connector (1) @ Evaporative Emission Canister Purge Solenoid Valve - Engage - Plastic Collar Quick Connect Fitting Service
  196. GM5571687Courtesy of GENERAL MOTORS COMPANY

    Plenum Front Panel Outer Reinforcement (1) - Install - Plenum Front Panel Outer Reinforcement Removal and Installation

  197. GM5647507Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Positive Crankcase Ventilation Foul Air Tube (3) - Install

  198. Positive Crankcase Ventilation Tube Connector (1) @ Intake Manifold - Connect - Plastic Collar Quick Connect Fitting Service
  199. Positive Crankcase Ventilation Tube Connector (2) @ Positive Crankcase Ventilation Fitting - Connect - Plastic Collar Quick Connect Fitting Service
  200. GM5535975Courtesy of GENERAL MOTORS COMPANY

    Oil Level Indicator Tube Bolt (1) - Install and tighten - Fastener Specifications

  201. GM5587617Courtesy of GENERAL MOTORS COMPANY

    Water Pump Gasket (2) - Install NEW [ 2x ]

  202. Water Pump (1) - Install
  203. GM4994474Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  204. Water Pump Housing Bolt (1) - Install and hand tighten [ 6x ]
  205. Water Pump Housing Bolt - Tighten in sequence [ 6x ] - Fastener Specifications
  206. GM5585692Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Compressor (1) - Install

  207. GM5585694Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Compressor Bolt (1) - Loosely install

  208. Air Conditioning Compressor Stud (3) - Install and tighten - Fastener Specifications
  209. Air Conditioning Compressor Bolt (1) - Tighten - Fastener Specifications
  210. Air Conditioning Compressor Nut (2) - Install and tighten - Fastener Specifications
  211. GM4994407Courtesy of GENERAL MOTORS COMPANY

    Radiator Inlet Hose (3) @ Water Pump - Install

  212. Engine Coolant Air Bleed Hose (2) @ Water Pump - Install
  213. Hose Clamp (1) - Engage [ 2x ] - Hose Clamp Replacement Guidelines - Spring Type
  214. GM4994158Courtesy of GENERAL MOTORS COMPANY

    Radiator Outlet Hose (2) @ Water Pump - Install

  215. Radiator Outlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  216. GM4994147Courtesy of GENERAL MOTORS COMPANY

    Heater Water Auxiliary Pump Hose (3) @ Water Pump - Install

  217. Heater Inlet Hose (2) @ Water Pump - Install
  218. Hose Clamp (1) - Engage [ 2x ] - Hose Clamp Replacement Guidelines - Spring Type
  219. GM5642615Courtesy of GENERAL MOTORS COMPANY

    Generator (1) - Install

  220. GM5642527Courtesy of GENERAL MOTORS COMPANY

    Generator Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications

  221. GM5573641Courtesy of GENERAL MOTORS COMPANY

    Starter Solenoid Cable (2) - Install

  222. Battery Positive Cable Nut (1) - Install and tighten - Fastener Specifications
  223. Electrical Connector (3) - Connect
  224. GM4994461Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Temperature Sensor Electrical Connector (1) - Connect

  225. GM5116154Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The OEM replacement accessory drive auxiliary belt (1) is packaged with a disposable installation tool and installation instructions.

    Install the accessory drive auxiliary belt (1) following the instructions included with the accessory drive auxiliary belt.

  226. Inspect the accessory drive auxiliary belt (1) for proper installation and alignment.
  227. GM5116156Courtesy of GENERAL MOTORS COMPANY

    Rotate the crankshaft balancer (1) an additional 360 degrees to ensure proper accessory drive auxiliary belt installation.

  228. GM5523120Courtesy of GENERAL MOTORS COMPANY

    Position the accessory drive primary belt (4) on the belt idler pulley (2), fan and water pump pulley (3) and generator (1).

  229. GM5115929Courtesy of GENERAL MOTORS COMPANY

    Install the EN-51767-2  Stretchy Belt Installer (1) onto the crankshaft balancer.

  230. GM5115932Courtesy of GENERAL MOTORS COMPANY

    Position the accessory drive primary belt (2) on the crankshaft balancer.

  231. Slowly rotate the crankshaft balancer in a clockwise direction until the accessory drive primary belt (2) fully seats on the crankshaft balancer.
  232. Remove the EN-51767-2  Stretchy Belt Installer (1) from the crankshaft balancer.
  233. GM5115452Courtesy of GENERAL MOTORS COMPANY

    Inspect the accessory drive primary belt (1) for proper installation and alignment.

  234. GM5115454Courtesy of GENERAL MOTORS COMPANY

    Rotate the crankshaft balancer (1) and additional 360 degrees to ensure proper accessory drive primary belt installation.

  235. GM5569590Courtesy of GENERAL MOTORS COMPANY

    Install the condenser, fan and radiator assembly (1) into its mounts and rotate forward into place.

  236. GM5569588Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Compressor and Condenser Hose Seal (2) - Install NEW [ 2x ]

  237. Air Conditioning Condenser and Evaporator Hose (3) @ Air Conditioning Condenser - Install
  238. Air Conditioning Compressor and Condenser Hose (1) @ Air Conditioning Condenser - Install
  239. GM5569587Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Air Conditioning Condenser and Evaporator Hose Nut (2) - Install and tighten - Fastener Specifications

  240. Air Conditioning Compressor and Condenser Hose Nut (1) - Install and tighten - Fastener Specifications
  241. GM5569581Courtesy of GENERAL MOTORS COMPANY

    Radiator Outlet Hose (2) @ Engine Radiator - Install

  242. Radiator Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  243. GM5569584Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Clip (1) - Secure

  244. GM5569449Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Fitting Seal (2) - Install NEW

  245. Transmission Fluid Cooler Inlet and Outlet Pipe (1) @ Transmission Fluid Auxiliary Cooler - Install
  246. GM5569448Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Nut (1) - Install and tighten - Fastener Specifications

  247. GM5569446Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Fitting Seal (3) - Install NEW

  248. Transmission Fluid Cooler Inlet and Outlet Pipe (2) @ Transmission Fluid Auxiliary Cooler - Install
  249. Transmission Fluid Cooler Pipe Nut (1) - Install and tighten - Fastener Specifications
  250. GM5569435Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Clip (2) - Install [ 2x ]

  251. Transmission Fluid Cooler Pipe Bolt (1) - Install and tighten - Fastener Specifications
  252. GM5569434Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Side Baffle - Left Side (1) - Install

  253. Radiator Air Side Baffle Retainer (2) - Install
  254. GM5569421Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Air Side Baffle Retainer (1) - Install [ 4x ]

  255. Radiator Air Side Baffle - Right Side (2) - Install
  256. GM5568876Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Hose (1) @ Engine Radiator - Install [ 2x ]

  257. Engine Oil Cooler Pipe Bracket Bolt (3) - Install and tighten - Fastener Specifications
  258. Engine Oil Cooler Retainer (2) - Install [ 2x ]
  259. GM5568873Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Hose Clip (1) - Secure

  260. GM5568871Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Position the wiring harness. (3)

  261. Electrical Connector (1) - Connect
  262. Wiring Harness Retainer (2) - Install [ 2x ]
  263. GM5568870Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Position the wiring harness. (2)

  264. Electrical Connector (3) - Connect
  265. Wiring Harness Retainer (1) - Install [ 2x ]
  266. GM5568866Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Inlet Hose (3) @ Engine Radiator - Install

  267. Radiator Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  268. Radiator Inlet Hose Clip (2) - Install
  269. GM5568620Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Outlet Hose (3) - Move into position

  270. Radiator Surge Tank Outlet Hose Clip (2) - Install [ 2x ]
  271. GM5573198Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Fuse Block Bracket (3) - Install

  272. Retaining Tab (1) - Engage
  273. Engine Wiring Harness Fuse Block Bracket Bolt (2) - Tighten [ 2x ] - Fastener Specifications
  274. GM5573073Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Install [ 4x ]

  275. GM5572883Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block (3) - Install

  276. Retaining Tab (1) - Engage [ 4x ]
  277. Engine Wiring Harness Junction Block Bolt (2) - Tighten [ 4x ] - Fastener Specifications
  278. GM5572790Courtesy of GENERAL MOTORS COMPANY

    Starter Solenoid Cable (4) - Install

  279. Battery Positive Cable Nut (3) - Install and tighten - Fastener Specifications
  280. Engine Wiring Harness Junction Block Cover (2) - Install
  281. Retaining Tab (1) - Engage [ 2x ]
  282. GM5568592Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Upper Baffle (2) - Install

  283. Engage the 6 integral retaining features (1).
  284. GM5568597Courtesy of GENERAL MOTORS COMPANY

    Front End Sheet Metal Diagonal Brace (2) @ Upper Tie Bar - Install [ 2x ]

  285. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  286. Front End Sheet Metal Diagonal Brace Bolt (1) @ Upper Tie Bar - Install and tighten [ 4x ] - Fastener Specifications
  287. GM5568590Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Inlet Hose (2) @ Engine Radiator - Install

  288. Radiator Surge Tank Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  289. GM5581741Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (1) - Install

    290. CAUTION:

    Refer to Component Fastener Tightening Caution .

  290. Air Cleaner Outlet Duct Clamp (2) - Tighten - Fastener Specifications
  291. Positive Crankcase Ventilation Fresh Air Tube (3) - Connect - Plastic Collar Quick Connect Fitting Service
  292. GM5001375Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct Bracket Bolt (1) - Install and tighten - Fastener Specifications

  293. Install the engine wiring harness to the air cleaner outlet duct bracket.
  294. GM5503547Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Assembly (1) - Install

  295. GM5503528Courtesy of GENERAL MOTORS COMPANY

    Intake Air Duct Retainer (1) - Install

  296. GM5541732Courtesy of GENERAL MOTORS COMPANY

    Intake Air Splash Shield (2) - Install

  297. Intake Air Baffle Retainer (1) - Install [ 9x ]
  298. GM5541781Courtesy of GENERAL MOTORS COMPANY

    Hood Secondary Latch Release Handle (2) - Install

  299. Hood Latch Actuator Bolt (1) - Install and tighten [ 2x ] - Fastener Specifications
  300. GM5503517Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Nut (2) - Install and tighten - Fastener Specifications

  301. Air Cleaner Outlet Duct (1) - Install
  302. GM5503496Courtesy of GENERAL MOTORS COMPANY

    Connect the mass airflow sensor electrical connector (2) and engage all engine wiring harnesses to the air cleaner assembly.

  303. Air Cleaner Outlet Duct Clamp (1) - Tighten - Fastener Specifications
  304. GM5647178Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The cylinder head exhaust manifold bolt hole threads must be clean and free of debris or threadlocking material.

    Exhaust Manifold Gasket- Left Side (2) - Install NEW

  305. Exhaust Manifold- Left Side (1) - Install
  306. GM5647175Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  307. Exhaust Manifold Bolt- Left Side (1) - Install NEW and hand tighten [ 5x ]
  308. Exhaust Manifold Bolt- Left Side (1) - Tighten in sequence [ 5x ] - Fastener Specifications
  309. GM5647218Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold Heat Shield- Left Side (1) - Install

  310. GM5647219Courtesy of GENERAL MOTORS COMPANY

    Through the wheel opening, install and tighten the 3 left side exhaust manifold heat shield bolts (1). Fastener Specifications

  311. GM5549185Courtesy of GENERAL MOTORS COMPANY

    Inspect the inside of the spark plug rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, apply a thin coating of dielectric grease evenly to the inside of the spark plug rubber boot up to a depth 15 mm (0.6 in) of from the end of the boot Adhesives, Fluids, Lubricants, and Sealers

  312. Push the boot of the 4 spark plug wires (1) onto the gas engine ignition spark plugs (2).
  313. GM5002171Courtesy of GENERAL MOTORS COMPANY

    Upper Intermediate Steering Shaft (1) @ Intermediate Steering Shaft - Install

  314. GM5002170Courtesy of GENERAL MOTORS COMPANY

    If a NEW threaded component is being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded component is reused, prepare the threaded component using the following steps:

    1. Remove any loose cured adhesive from the external threads of the component using a lint free cloth.
    2. Thread the cleaned component into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the component. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
    315. CAUTION:

    Refer to Fastener Caution .

  315. Mid Intermediate Steering Shaft Bolt (1) - Install and tighten - Fastener Specifications
  316. GM5536408Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover Insulator- Left Side (3) - Install

  317. Install the 3 upper intake manifold sight shield grommets (2) to the 3 valve rocker arm cover insulator retainers (1).
  318. GM4992392Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold Gasket- Right Side (2) - Install NEW

  319. Install the right side exhaust manifold (1) through the wheel opening.
  320. GM4992369Courtesy of GENERAL MOTORS COMPANY

    If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:

    1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
    2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
    3. Apply thread locking adhesive to the external threads of the components. Adhesives, Fluids, Lubricants, and Sealers
    4. Ensure there are no gaps in the thread locking adhesive once applied to the component.
  321. Exhaust Manifold Bolt- Right Side (1) - Install NEW and hand tighten [ 5x ]
  322. Exhaust Manifold Bolt- Right Side (1) - Tighten in sequence [ 5x ] - Fastener Specifications
  323. GM4992288Courtesy of GENERAL MOTORS COMPANY

    Install the right exhaust manifold heat shield (1) through the wheel opening.

  324. GM4992215Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold Heat Shield Bolt-Right Side (1) - Install and hand tighten [ 3x ]

  325. Exhaust Manifold Heat Shield Bolt-Right Side (1) - Tighten [ 3x ] - Fastener Specifications
  326. Wiring Harness - Install
  327. GM5584902Courtesy of GENERAL MOTORS COMPANY

    Retainer Clip (1) @ Cylinder Head - Right Side (2) - Install

  328. GM5541819Courtesy of GENERAL MOTORS COMPANY

    Inspect the inside of the spark plug rubber boot for a thin, even coat of grease. If there is no grease present or additional grease is necessary, apply a thin coating of dielectric grease evenly to the inside of the spark plug rubber boot up to a depth of 15 mm (0.6 in) from the end of the boot Adhesives, Fluids, Lubricants, and Sealers .

  329. Push the boot of the 4 spark plug wires (1) onto the gas engine ignition spark plugs. (2).
  330. GM5537681Courtesy of GENERAL MOTORS COMPANY

    Valve Rocker Arm Cover Insulator- Right Side (3) - Install

  331. Install the 3 upper intake manifold sight shield grommets (1) to the 3 valve rocker arm cover insulator retainers (2).
  332. GM5001105Courtesy of GENERAL MOTORS COMPANY

    Exhaust System Seal (1) - Install NEW

  333. GM5001113Courtesy of GENERAL MOTORS COMPANY

    Exhaust System Seal (1) - Install NEW

  334. GM5584496Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Nut- Left Side (1) - Install and hand tighten [ 3x ]

  335. Exhaust Front Pipe Nut- Left Side (1) - Tighten [ 3x ] - Fastener Specifications
  336. GM5584486Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Nut- Right Side (1) - Install and hand tighten [ 3x ]

  337. Exhaust Front Pipe Nut- Right Side (1) - Tighten [ 3x ] - Fastener Specifications
  338. GM5508824Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Heat Shield- Left Side (2) - Install

  339. Exhaust Heat Shield Bolt- Left Side (1) - Install and tighten - Fastener Specifications
  340. GM5525401Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Adhesives, Fluids, Lubricants, and Sealers

    Using a suitable tool, install and tighten the heated oxygen sensor (1). Fastener Specifications

  341. Connect the heated oxygen sensor electrical connector.
  342. GM5568855Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    A special anti-seize compound is used in the HO2S threads. The compound consists of liquid graphite and glass beads. The graphite tends to burn away, but the glass beads remain, making the sensor easier to remove. New, or service replacement sensors already have the compound applied to the threads. If the sensor is removed from an exhaust component and if for any reason the sensor is to be reinstalled, the threads must have anti-seize compound applied before reinstallation. Adhesives, Fluids, Lubricants, and Sealers

    Using a suitable tool, install and tighten the heated oxygen sensor (1). Fastener Specifications

  343. Connect the heated oxygen sensor electrical connector.
  344. GM5508826Courtesy of GENERAL MOTORS COMPANY

    Exhaust Front Pipe Heat Shield (2) - Install

  345. Exhaust Heat Shield Bolt (1) - Install and tighten - Fastener Specifications
  346. Front Wheelhouse Liner- Left Side and Right Side - Install [ 2x ] - Front Wheelhouse Liner Replacement
  347. GM5512332Courtesy of GENERAL MOTORS COMPANY

    Underbody Skid Shield (3) - Install

  348. Underbody Splash Shield Bolt (2) - Install and tighten [ 2x ] - Fastener Specifications
  349. GM5512311Courtesy of GENERAL MOTORS COMPANY

    Underbody Splash Shield (1) - Install

  350. GM5512320Courtesy of GENERAL MOTORS COMPANY

    Underbody Splash Shield Bolt (1) - Install and tighten [ 4x ] - Fastener Specifications

  351. Underbody Splash Shield Bolt (2) - Install and tighten [ 4x ] - Fastener Specifications
  352. Lower the vehicle.
  353. Fill the engine oil to the proper level with NEW engine oil.
  354. GM5535974Courtesy of GENERAL MOTORS COMPANY

    Install the oil level indicator. (1)

  355. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (KL9)
  356. Recharge the refrigerant. Refrigerant Recovery and Recharging
  357. Inspect for refrigerant leaks.
  358. Fill the cooling system. Cooling System Draining and Filling (GE 47716 L84, L87) , or Cooling System Draining and Filling (Static L84, L87)
  359. Start the engine and check for coolant leaks.
  360. Check for oil leaks.
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