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Home >> Chevrolet >> 2021 >> Tahoe Z71 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions (10 Of 11) >> Repair Instructions >> Engine Removal and Installation (L87, 2WD, with RC1, without F47) >> Installation Procedure

Installation Procedure

  1. Remove the engine (1) from the engine stand (2).
    GM5587488Courtesy of GENERAL MOTORS COMPANY
  2. Remove the DT-21366  Converter Holding Strap (1) from the transmission which is retaining the torque converter.
    GM5608009Courtesy of GENERAL MOTORS COMPANY
  3. Position the engine to the transmission assembly.
  4. Transmission Bolt (2) - Install and tighten [2x] - Fastener Specifications
    GM5608354Courtesy of GENERAL MOTORS COMPANY
  5. Transmission Stud (1) - Install and tighten - Fastener Specifications
  6. Connect the required electrical connectors, retainers and reposition the wiring harness.
  7. 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.
    GM5033661Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Broken engine mountings can cause misalignment of certain drive-train components. Misalignment of drive-train components causes eventual destruction of the drive-train components.

    If one engine mount breaks, the rest of the engine mounts will have increased stress put on them. This could cause the rest of the engine mounts to break.

    NOTE:

    Work through the front wheelhouse opening to access the 3 engine mount frame side bolts (1).

  8. Engine Mount Frame Side Bolt- Right Side (1) - Install and hand tighten [3x]
  9. Engine Mount Frame Side Bolt- Right Side (1) - Tighten in sequence [3x] - Fastener Specifications
    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.
    GM5297905Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Broken engine mountings can cause misalignment of certain drive-train components. Misalignment of drive-train components causes eventual destruction of the drive-train components.

    If one engine mount breaks, the rest of the engine mounts will have increased stress put on them. This could cause the rest of the engine mounts to break.

    NOTE:

    Work through the front wheelhouse opening to access the 3 engine mount frame side bolts (1).

    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:

  10. Engine Mount Frame Side Bolt- Left Side (1) - Install and hand tighten [3x]
  11. Engine Mount Frame Side Bolt- Left Side (1) - Tighten in sequence [3x] - Fastener Specifications
  12. Remove the engine lift brackets and chains that are supporting the engine.
  13. Remove the EN-36857  Engine Lift Bracket (1) and the EN-52059  Engine Support Fixture Adapter Bolt - M10 (2) from the cylinder head.
    GM5053735Courtesy of GENERAL MOTORS COMPANY
  14. Remove the EN-36857  Engine Lift Bracket (1) and the EN-52059  Engine Support Fixture Adapter Bolt - M10 (2) from the cylinder head.
    GM5053741Courtesy of GENERAL MOTORS COMPANY
  15. Support the transmission with a suitable jack.
  16. Transmission Mount Nut (1) - Remove
    GM4974116Courtesy of GENERAL MOTORS COMPANY
  17. Transmission Support Crossmember Nut (1) - Remove [4x]
    GM4974118Courtesy of GENERAL MOTORS COMPANY
  18. Transmission Support Crossmember Bolt (2) - Remove [4x]
  19. Transmission Support Crossmember (1) - Remove
    GM4974120Courtesy of GENERAL MOTORS COMPANY
  20. Lower the transmission to gain access to the top of the transmission.
  21. Transmission Stud (1) - Install and tighten [5x] - Fastener Specifications
    GM5608334Courtesy of GENERAL MOTORS COMPANY
  22. Install the transmission vent hose clip bracket (2) to the transmission.
    GM5020629Courtesy of GENERAL MOTORS COMPANY
  23. Install and tighten the transmission vent hose clip bracket nut (1). Fastener Specifications
  24. Install the fuel feed line assembly (3) on the transmission stud.
    GM5021402Courtesy of GENERAL MOTORS COMPANY
  25. Install and tighten the fuel feed and return front hose bracket nut (1). Fastener Specifications
  26. Install and tighten the fuel feed and return front hose bracket bolt (2). Fastener Specifications
  27. 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.
    GM5608206Courtesy of GENERAL MOTORS COMPANY
  28. NOTE:
    • For proper alignment of all torque converter bolts, install the first torque converted bolt in the oval shaped hole.
    • Rotate the harmonic balancer center bolt clockwise ONLY, to align the torque converter bolt with the starter opening.
  29. Torque Converter Bolt (1) - Install and tighten [6x] - Fastener Specifications
  30. Exhaust System Seal (1) - Install NEW
    GM5001113Courtesy of GENERAL MOTORS COMPANY
  31. Exhaust System Seal (1) - Install NEW
    GM5001105Courtesy of GENERAL MOTORS COMPANY
  32. Three-Way Catalytic Converter (1) - Install
    GM5001076Courtesy of GENERAL MOTORS COMPANY
  33. Exhaust Front Pipe Nut- Right Side (1) - Install and hand tighten [3x]
    GM5584486Courtesy of GENERAL MOTORS COMPANY
  34. Exhaust Front Pipe Nut- Right Side (1) - Tighten [3x] - Fastener Specifications
  35. Exhaust Front Pipe Nut- Left Side (1) - Install and hand tighten [3x]
    GM5584496Courtesy of GENERAL MOTORS COMPANY
  36. Exhaust Front Pipe Nut- Left Side (1) - Tighten [3x] - Fastener Specifications
  37. Exhaust Muffler (2) @Three-Way Catalytic Converter (3) - Connect
    GM5001054Courtesy of GENERAL MOTORS COMPANY
  38. Exhaust Pipe Clamp (1) - Tighten - Fastener Specifications
  39. Exhaust Front Pipe Heat Shield- Right Side (2) - Install
    GM5508826Courtesy of GENERAL MOTORS COMPANY
  40. Exhaust Heat Shield Bolt- Right Side (1) - Install and tighten - Fastener Specifications
  41. Exhaust Front Pipe Heat Shield- Left Side (2) - Install
    GM5508824Courtesy of GENERAL MOTORS COMPANY
  42. Exhaust Heat Shield Bolt- Left Side (1) - Install and tighten - Fastener Specifications
  43. Electrical Connector@Heated Oxygen Sensor- Bank 2 Sensor 2 - Connect
    GM5523023Courtesy of GENERAL MOTORS COMPANY
  44. Using a suitable tool, install and tighten the heated oxygen sensor (1). Fastener Specifications
    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

  45. Electrical Connector@Heated Oxygen Sensor- Bank 2 Sensor 1 - Connect
  46. Electrical Connector@Heated Oxygen Sensor- Bank 1 Sensor 2 - Connect
    GM5523087Courtesy of GENERAL MOTORS COMPANY
  47. Using a suitable tool, install and tighten the heated oxygen sensor (1). Fastener Specifications
    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

  48. Electrical Connector@Heated Oxygen SensorBank 1 Sensor 1 - Bank 1 Sensor 1Connect
  49. Transmission Support Crossmember (1) - Install
    GM4974120Courtesy of GENERAL MOTORS COMPANY
  50. Transmission Support Crossmember Bolt (2) - Install [4x]
    GM4974118Courtesy of GENERAL MOTORS COMPANY
  51. Transmission Support Crossmember Nut (1) - Install and tighten [4x] - Fastener Specifications
  52. Transmission Mount Nut (1) - Install and tighten - Fastener Specifications
    GM4974116Courtesy of GENERAL MOTORS COMPANY
  53. Remove the transmission jack.
  54. { If equipped } Install the wiring harness (2) as necessary and install the harness retainers (1) into the transmission support crossmember.
    GM5590117Courtesy of GENERAL MOTORS COMPANY
  55. Engine Wiring Harness (3) - Install
    GM5644061Courtesy of GENERAL MOTORS COMPANY
  56. Engine Wiring Harness Retainer (2) - Install
  57. Engine Wiring Harness Ground Stud (1) - Install and tighten [2x] - Ground Repair
  58. Reposition the transmission cooler inlet and outlet pipe (1) as necessary.
    GM5608335Courtesy of GENERAL MOTORS COMPANY
  59. Transmission Fluid Cooler Pipe Clip Bracket (2) @Oil Pan - Install
    GM5644122Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Components removed in graphic to better illustrate service parts.

  60. Transmission Fluid Cooler Pipe Clip Bolt (1) @Oil Pan - Install and tighten - Fastener Specifications
  61. Position the transmission fluid cooler inlet and outlet pipe bracket (2).
    GM5021981Courtesy of GENERAL MOTORS COMPANY
  62. Install and tighten the transmission fluid auxiliary cooler pipe bracket nut (1). Fastener Specifications
  63. Engine Oil Cooler Gasket (2) - Install NEW
    GM5582330Courtesy of GENERAL MOTORS COMPANY
  64. Engine Oil Cooler Hose (1) @Oil Pan - Install
  65. Engine Oil Cooler Hose Bolt (1) - Install and tighten [2x] - Fastener Specifications
    GM5582326Courtesy of GENERAL MOTORS COMPANY
  66. Electrical Connector (1) @Engine Oil Pressure Sensor - Connect
    GM5582300Courtesy of GENERAL MOTORS COMPANY
  67. Wiring Harness Retainer (2) @Engine Oil Cooler Hose - Install
  68. Engine Oil Pressure Sensor Sleeve (1) - Install
    GM4997823Courtesy of GENERAL MOTORS COMPANY
  69. Engine Oil Cooler Hose Bracket Nut (1) - Install and tighten - Fastener Specifications
    GM4997286Courtesy of GENERAL MOTORS COMPANY
  70. Transmission Converter Cover- Left Side (2) - Install
    GM5585541Courtesy of GENERAL MOTORS COMPANY
  71. Torque Converter Cover Bolt- Left Side (1) - Install and tighten - Fastener Specifications
  72. Transmission Converter Cover- Right Side (2) - Install
    GM5585543Courtesy of GENERAL MOTORS COMPANY
  73. Torque Converter Cover Bolt- Right Side (1) - Install and tighten - Fastener Specifications
  74. Starter (1) - Install
    GM5569910Courtesy of GENERAL MOTORS COMPANY
  75. Electrical Connector (3) - Connect
    GM5569840Courtesy of GENERAL MOTORS COMPANY
  76. Protective Sleeve (4) - Install
  77. Starter Solenoid Cable (1) - Install
  78. Starter Solenoid Cable Nut (2) - Install and tighten - Fastener Specifications
  79. Starter Mounting Bolt (1) - Install and tighten [2x] - Fastener Specifications
    GM5569758Courtesy of GENERAL MOTORS COMPANY
  80. Starter Solenoid Cable (2) - Install
    GM5569769Courtesy of GENERAL MOTORS COMPANY
  81. Battery Negative Cable Ground Bolt (1) - Install and tighten - Fastener Specifications
  82. Starter Heat Shield (2) - Install
    GM5569721Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Catalytic converter removed for graphic clarity.

  83. Starter Heat Shield Bolt (1) - Install and tighten - Fastener Specifications
  84. Starter Heat Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
    GM5569719Courtesy of GENERAL MOTORS COMPANY
  85. Install the heater coolant pump and heater water auxiliary pump bracket (2) as assembly.
    GM5620579Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  86. Heater Water Auxiliary Pump Bolt (1) - Install and tighten - Fastener Specifications
  87. Electrical Connector@Heater Coolant Pump (2) - Connect
  88. Lubricate the threads and sealing surface of the fuel rail pressure sensor (2) with one drop of clean engine oil.
    GM5046938Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    To tighten or loosen the fuel injection fuel rail fuel pressure sensor, apply force ONLY to the attached hexagon. Applying force to the plastic housing of the sensor may damage the sensor.

    NOTE:

    Ensure the fuel rail threads are clean and free of any excess fuel, or the fuel rail pressure sensor will NOT seal properly.

  89. Install the fuel rail pressure sensor (2) and hand tighten.
  90. Remove the fuel rail pressure sensor (2) from the fuel injection fuel rail (3) and re-lubricate with one drop of clean engine oil.
  91. Fuel Rail Pressure Sensor (2) @Fuel Injection Fuel Rail (3) - Install and tighten - Fastener Specifications
  92. Electrical Connector (1) @Fuel Rail Pressure Sensor (2) - Connect
  93. Fuel Feed Pipe (1) - Install
    GM5569054Courtesy of GENERAL MOTORS COMPANY
  94. Fuel Feed Pipe (1) - Connect - Metal Collar Quick Connect Fitting Service
  95. Fuel Pump Insulator (1) - Install
    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.

  96. Remove the covers from the cylinder head passages.
  97. Intake Manifold Gasket (1) - Install NEW [8x]
    GM5541471Courtesy of GENERAL MOTORS COMPANY
  98. Clean all sealing surfaces.
    GM5540978Courtesy of GENERAL MOTORS COMPANY
  99. 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.
  100. 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.

  101. Position the intake manifold and Intake manifold cover (1) to install harness retainers.
  102. Engine Wiring Harness Retainer (1) @Intake Manifold Cover (2) - Install [4x]
    GM5540975Courtesy of GENERAL MOTORS COMPANY
  103. Move the intake manifold and intake manifold cover (2) into place.
  104. Intake Manifold Bolt (1) - Hand tighten [10x]
    GM5540977Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  105. Intake Manifold Bolt (1) - Tighten in sequence [10x] - Fastener Specifications
  106. Positive Crankcase Ventilation Tube Connector (2) @Intake Manifold - Install - Plastic Collar Quick Connect Fitting Service
    GM5647507Courtesy of GENERAL MOTORS COMPANY
  107. Engine Wiring Harness Retainer (1) @Intake Manifold Cover (2) - Install [3x]
    GM5540974Courtesy of GENERAL MOTORS COMPANY
  108. Engine Wiring Harness Retainer (1) @Intake Manifold Cover (2) - Install [4x]
    GM5540973Courtesy of GENERAL MOTORS COMPANY
  109. Engine Wiring Harness Connector (4) @Evaporative Emission Canister Purge Solenoid Valve - Connect
    GM5540971Courtesy of GENERAL MOTORS COMPANY
  110. Engine Wiring Harness Connector (3) @Manifold Absolute Pressure Sensor - Connect
  111. Engine Wiring Harness Retainer (2) @Intake Manifold Cover - Install [2x]
  112. Engine Wiring Harness Connector (1) @Throttle Body - Connect
  113. Evaporative Emission Canister Purge Tube (2) @Evaporative Emission Canister Purge Solenoid Valve - Install
    GM5538400Courtesy of GENERAL MOTORS COMPANY
  114. Evaporative Emission Canister Purge Tube Connector (1) @Evaporative Emission Canister Purge Solenoid Valve - Engage - Plastic Collar Quick Connect Fitting Service
  115. Water Pump Gasket (2) - Install NEW [2x]
    GM5587617Courtesy of GENERAL MOTORS COMPANY
  116. Water Pump (1) - Install
  117. 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:
    GM4994474Courtesy of GENERAL MOTORS COMPANY
    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.
  118. Water Pump Housing Bolt (1) - Install and hand tighten [6x]
  119. Water Pump Housing Bolt - Tighten in sequence [6x] - Fastener Specifications
  120. Air Conditioning Compressor (1) - Install
    GM5585692Courtesy of GENERAL MOTORS COMPANY
  121. Air Conditioning Compressor Bolt (1) - Loosely install
    GM5585694Courtesy of GENERAL MOTORS COMPANY
  122. Air Conditioning Compressor Stud (3) - Install and tighten - Fastener Specifications
  123. Air Conditioning Compressor Bolt (1) - Tighten - Fastener Specifications
  124. Air Conditioning Compressor Nut (2) - Install and tighten - Fastener Specifications
  125. Electrical Connector (1) @Air Conditioning Compressor - Connect
    GM5619709Courtesy of GENERAL MOTORS COMPANY
  126. Engine Coolant Temperature Sensor Electrical Connector (1) - Connect
    GM4994461Courtesy of GENERAL MOTORS COMPANY
  127. Radiator Inlet Hose (3) @Water Pump - Install
    GM4994407Courtesy of GENERAL MOTORS COMPANY
  128. Engine Coolant Air Bleed Hose (2) @Water Pump - Install
  129. Hose Clamp (1) - Engage [2x] - Hose Clamp Replacement Guidelines - Spring Type
  130. Radiator Outlet Hose (2) @Water Pump - Install
    GM4994158Courtesy of GENERAL MOTORS COMPANY
  131. Radiator Outlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  132. Heater Water Auxiliary Pump Hose (3) @Water Pump - Install
    GM4994147Courtesy of GENERAL MOTORS COMPANY
  133. Heater Inlet Hose (2) @Water Pump - Install
  134. Hose Clamp (1) - Engage [2x]
  135. Generator (1) - Install
    GM5642615Courtesy of GENERAL MOTORS COMPANY
  136. Generator Bolt (1) - Install and tighten [2x] - Fastener Specifications
    GM5642527Courtesy of GENERAL MOTORS COMPANY
  137. Starter Solenoid Cable (2) - Install
    GM5573641Courtesy of GENERAL MOTORS COMPANY
  138. Battery Positive Cable Nut (1) - Install and tighten - Fastener Specifications
  139. Electrical Connector (3) - Connect
  140. Install the accessory drive auxiliary belt (1) following the instructions included with the accessory drive auxiliary belt.
    GM5116154Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  141. Inspect the accessory drive auxiliary belt (1) for proper installation and alignment.
  142. Rotate the crankshaft balancer (1) an additional 360 degrees to ensure proper accessory drive auxiliary belt installation.
    GM5116156Courtesy of GENERAL MOTORS COMPANY
  143. Position the accessory drive primary belt (4) on the belt idler pulley (2), fan and water pump pulley (3) and generator (1).
    GM5523120Courtesy of GENERAL MOTORS COMPANY
  144. Install the EN-51767-2  Stretchy Belt Installer (1) onto the crankshaft balancer.
    GM5115929Courtesy of GENERAL MOTORS COMPANY
  145. Position the accessory drive primary belt (2) on the crankshaft balancer.
    GM5115932Courtesy of GENERAL MOTORS COMPANY
  146. Slowly rotate the crankshaft balancer in a clockwise direction until the accessory drive primary belt (2) fully seats on the crankshaft balancer.
  147. Remove the EN-51767-2  Stretchy Belt Installer (1) from the crankshaft balancer.
  148. Inspect the accessory drive primary belt (1) for proper installation and alignment.
    Fig 1: Identifying Drive Belt Routing
    GM5115452Courtesy of GENERAL MOTORS COMPANY
  149. Rotate the crankshaft balancer (1) and additional 360 degrees to ensure proper accessory drive primary belt installation.
    GM5115454Courtesy of GENERAL MOTORS COMPANY
  150. Install the condenser, fan and radiator assembly (1) into its mounts and rotate forward into place.
    GM5569590Courtesy of GENERAL MOTORS COMPANY
  151. Heater Inlet Hose (3) @Heater Inlet and Outlet Hose Clip (1) - Install
    GM4997349Courtesy of GENERAL MOTORS COMPANY
  152. Heater Outlet Hose Clip (2) @Heater Water Auxiliary Pump Hose - Install
    GM5581805Courtesy of GENERAL MOTORS COMPANY
  153. Heater Outlet Hose (3) @Radiator Surge Tank Outlet Hose - Install
  154. Heater Outlet Hose Clamp (4) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  155. Heater Outlet Hose (3) @Heater Inlet and Outlet Hose Clip (1) - Install
  156. Radiator Outlet Hose (2) @Engine Radiator - Install
    GM5569581Courtesy of GENERAL MOTORS COMPANY
  157. Radiator Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  158. Air Conditioning Compressor and Condenser Hose Seal (2) - Install NEW [2x]
    GM5569588Courtesy of GENERAL MOTORS COMPANY
  159. Air Conditioning Condenser and Evaporator Hose (3) @Air Conditioning Condenser - Install
  160. Air Conditioning Compressor and Condenser Hose (1) @Air Conditioning Condenser - Install
  161. Air Conditioning Compressor and Condenser Hose Nut (1) - Install and tighten - Fastener Specifications
    GM5569587Courtesy of GENERAL MOTORS COMPANY
  162. Air Conditioning Compressor and Evaporator Hose Nut (2) - Install and tighten - Fastener Specifications
  163. Transmission Fluid Cooler Pipe Clip (1) - Secure
    GM5569584Courtesy of GENERAL MOTORS COMPANY
  164. Transmission Fluid Cooler Pipe Fitting Seal (2) - Install NEW
    GM5569449Courtesy of GENERAL MOTORS COMPANY
  165. Transmission Fluid Cooler Inlet and Outlet Pipe (1) @Transmission Fluid Auxiliary Cooler - Install
  166. Transmission Fluid Cooler Pipe Nut (1) - Install and tighten - Fastener Specifications
    GM5569448Courtesy of GENERAL MOTORS COMPANY
  167. Transmission Fluid Cooler Pipe Fitting Seal (3) - Install NEW
    GM5569446Courtesy of GENERAL MOTORS COMPANY
  168. Transmission Fluid Cooler Inlet and Outlet Pipe (2) @Transmission Fluid Auxiliary Cooler - Install
  169. Transmission Fluid Cooler Pipe Nut (1) - Install and tighten - Fastener Specifications
  170. Transmission Fluid Cooler Pipe Clip (2) - Install [2x]
    GM5569435Courtesy of GENERAL MOTORS COMPANY
  171. Transmission Fluid Auxiliary Cooler Pipe Bolt (1) - Install and tighten - Fastener Specifications
  172. Front End Upper Tie Bar (1) - Install
    GM5605789Courtesy of GENERAL MOTORS COMPANY
  173. Install the wiring harness.
  174. Headlamp Bracket- Left Side and Right Side (2) - Install [2x]
    GM5666045Courtesy of GENERAL MOTORS COMPANY
  175. Front End Upper Tie Bar Bolt- Left Side and Right Side (1) @Headlamp Bracket - Install and tighten [8x] - Fastener Specifications
  176. Front End Upper Tie Bar Bolt (1) - Install and tighten - Fastener Specifications
    GM5605762Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  177. Front End Upper Tie Bar Bolt (1) @Headlamp Bracket - Install and tighten [2x] - Fastener Specifications
    GM5605760Courtesy of GENERAL MOTORS COMPANY
  178. Front End Upper Tie Bar Bolt (2) - Install and tighten - Fastener Specifications
  179. Front End Upper Tie Bar Bolt- Right Side (1) - Install and tighten [3x] - Fastener Specifications
    GM5605761Courtesy of GENERAL MOTORS COMPANY
  180. Front End Upper Tie Bar Bolt- Left Side (1) - Install and tighten [3x]
    GM5605759Courtesy of GENERAL MOTORS COMPANY

    - Fastener Specifications

  181. `Front Grille Support Reinforcement (2) - Install
    GM5552336Courtesy of GENERAL MOTORS COMPANY
  182. Front Grille Support Bracket Bolt (1) - Install and tighten [4x] - Fastener Specifications
  183. Electrical Connector (2) - Connect
    GM5582568Courtesy of GENERAL MOTORS COMPANY
  184. Connect the electrical connector.
    GM5573123Courtesy of GENERAL MOTORS COMPANY
  185. Hood Primary Latch Release Cable (1) - Install@Hood Primary Latch
  186. Install the hood primary latch release cable (1) to the upper tie bar retainer (2).
  187. Front End Sheet Metal Diagonal Brace- Left Side and Right Side (2) @Radiator Support - Install [2x]
    GM5572426Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Right side shown, left side similar.

  188. 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.
  189. Front End Sheet Metal Diagonal Brace Bolt - Left Side and Right Side (1) - Install and tighten [4x] - Fastener Specifications
  190. Radiator Air Upper Baffle (1) - Install
    GM5568592Courtesy of GENERAL MOTORS COMPANY
  191. Engage the 6 integral retaining features (1).
  192. Front End Sheet Metal Diagonal Brace (2) @Upper Tie Bar - Install [2x]
    GM5568597Courtesy of GENERAL MOTORS COMPANY
  193. 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.
  194. Front End Sheet Metal Diagonal Brace Bolt (1) @Upper Tie Bar - Install and tighten [4x] - Fastener Specifications
  195. Radiator Air Side Baffle - Right Side (2) - Install
    GM5569421Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  196. Radiator Air Side Baffle Retainer (1) - Install [4x]
  197. Radiator Air Side Baffle - Left Side (2) - Install
    GM5569434Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  198. Radiator Air Side Baffle Retainer (1) - Install [4x]
  199. Engine Oil Cooler Hose (1) @Engine Radiator - Install [2x]
    GM5568876Courtesy of GENERAL MOTORS COMPANY
  200. Engine Oil Cooler Pipe Bracket Bolt (3) - Install and tighten - Fastener Specifications
  201. Engine Oil Cooler Retainer (2) - Install [2x]
  202. Position the wiring harness.
    GM5568871Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  203. Electrical Connector (1) - Connect
  204. Wiring Harness Retainer (2) - Install [2x]
  205. Position the wiring harness.
    GM5568870Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  206. Electrical Connector (3) - Connect
  207. Wiring Harness Retainer (1) - Install [2x]
  208. Radiator Inlet Hose (3) @Engine Radiator - Install
    GM5568866Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

  209. Radiator Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  210. Radiator Inlet Hose Clip (2) - Install
  211. Radiator Surge Tank Outlet Hose (3) @Heater Outlet Hose - Install
    GM5568620Courtesy of GENERAL MOTORS COMPANY
  212. Radiator Surge Tank Outlet Hose Clip (2) - Install [2x]
  213. Heater Outlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  214. Engine Wiring Harness Fuse Block Bracket (3) - Install
    GM5573198Courtesy of GENERAL MOTORS COMPANY
  215. Retaining Tab (1) - Engage
  216. Engine Wiring Harness Fuse Block Bracket Bolt (2) - Tighten [2x] - Fastener Specifications
  217. Electrical Connector (1) - Install [4x]
    GM5573073Courtesy of GENERAL MOTORS COMPANY
  218. Engine Wiring Harness Junction Block (3) - Install
    GM5572883Courtesy of GENERAL MOTORS COMPANY
  219. Retaining Tab (1) - Engage [4x]
  220. Engine Wiring Harness Junction Block Bolt (2) - Tighten [4x] - Fastener Specifications
  221. Starter Solenoid Cable (4) - Install
    GM5572790Courtesy of GENERAL MOTORS COMPANY
  222. Battery Positive Cable Nut (3) - Install and tighten - Fastener Specifications
  223. Engine Wiring Harness Junction Block Cover (2) - Install
  224. Retaining Tab (1) - Engage [2x]
  225. Radiator Surge Tank Inlet Hose (2) @Engine Radiator - Install
    GM5568590Courtesy of GENERAL MOTORS COMPANY
  226. Radiator Surge Tank Inlet Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  227. Plenum Front Panel Outer Reinforcement (1) - Install - Plenum Front Panel Outer Reinforcement Removal and Installation
    GM5571687Courtesy of GENERAL MOTORS COMPANY
  228. Intake Air Duct Retainer (1) - Install
    GM5020580Courtesy of GENERAL MOTORS COMPANY
  229. Intake Air Duct (2) - Install
  230. Front Bumper Shutter (2) - Install
    GM5548894Courtesy of GENERAL MOTORS COMPANY
  231. Front Bumper Shutter Bolt (1) - Install and tighten [9x] - Fastener Specifications
  232. Connect the electrical connector at the front bumper shutter and position wiring harness.
  233. Front Bumper Fascia Upper Stiffener (1) - Install
    GM5544169Courtesy of GENERAL MOTORS COMPANY
  234. Install and tighten the left and right side front bumper fascia upper stiffener bolt (2). Fastener Specifications
    GM5544167Courtesy of GENERAL MOTORS COMPANY
  235. Tighten the left and right side front bumper fascia upper stiffener nut (1). Fastener Specifications
  236. Connect all electrical connectors.
    GM5520784Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  237. Secure the wiring harness retaining tab.
  238. Front Headlamp (2) - Install
  239. Secure the front headlamp guide pin to the front bumper fascia guide (1).
  240. Headlamp Bolt- Left Side and Right Side (1) - Install and tighten [6x] - Fastener Specifications
    GM5520782Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  241. Headlamp Bolt- Left Side and Right Side (1) - Install and tighten [6x] - Fastener Specifications
    GM5520779Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  242. Air Cleaner Assembly (2) - Install
    GM5020719Courtesy of GENERAL MOTORS COMPANY
  243. Air Cleaner Nut (2) - Install and tighten - Fastener Specifications
  244. Air Cleaner Outlet Duct (3) - Install
    GM5551440Courtesy of GENERAL MOTORS COMPANY
  245. Air Cleaner Outlet Duct Clamp (2) - Install and tighten [2x] - Fastener Specifications
  246. Positive Crankcase Ventilation Fresh Air Tube (1) - Connect - Plastic Collar Quick Connect Fitting Service
  247. Connect the mass airflow sensor electrical connector (1) and install all engine wiring harnesses from the air cleaner assembly.
    GM5587671Courtesy of GENERAL MOTORS COMPANY
  248. Air Cleaner Outlet Duct Bracket Bolt (1) - Install and tighten - Fastener Specifications
    GM5001375Courtesy of GENERAL MOTORS COMPANY
  249. Engine Wiring Harness@Air Cleaner Outlet Duct Bracket - Install
  250. { If equipped }Engine Coolant Heater Cord (1) @Engine Coolant Heater - Connect
    GM5022643Courtesy of GENERAL MOTORS COMPANY
  251. Connect the electrical connector. (1)
    GM5535962Courtesy of GENERAL MOTORS COMPANY
  252. Connect the electrical connectors. (1)
    GM5527817Courtesy of GENERAL MOTORS COMPANY
  253. Underbody Skid Shield (2) - Install
    GM5513633Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The proper position of the underbody skid shield is between the front bumper fascia extension and the front frame.

  254. Underbody Splash Shield Bolt (1) - Install and tighten [4x] - Fastener Specifications
  255. With the aid of an assistant, install the fascia. (2)
    GM5537676Courtesy of GENERAL MOTORS COMPANY
  256. Install the 9 grille clips (1).
  257. CAUTION:

    When installing the wiring harness connector of the front bumper fascia, verify that the wiring harness connector is properly installed. Failure to properly install the wiring harness connector, may result in improper performance, component damage, system malfunction, and damage to the wiring and or connectors.

  258. Connect the X108 connector to the front bumper fascia. Master Electrical Component List , Component Connector End Views - Index , Inline Harness Connector End Views - Index
  259. Install the front bumper fascia (1) to the left and right side front bumper fascia guides and the front headlamps.
    GM5537674Courtesy of GENERAL MOTORS COMPANY
  260. Remove the tape from both headlamps.
  261. Front Grille Bolt (1) - Install and tighten [6x] - Fastener Specifications
    GM5537672Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  262. Install and tighten the left and right side front bumper fascia support brace bolt (1). Fastener Specifications
    GM5549574Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  263. Front Bumper Fascia Skid Plate Bolt (1) - Install and tighten [4x] - Fastener Specifications
    GM5537670Courtesy of GENERAL MOTORS COMPANY
  264. Tighten the 2 left and right side front bumper fascia guide bolts (1). Fastener Specifications
    GM5537669Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  265. Install and tighten the left and right side front bumper fascia bolt (2). Fastener Specifications
  266. Front Wheelhouse Liner- Left Side and Right Side - Install [2x] - Front Wheelhouse Liner Replacement
  267. Install and tighten the left and right side front bumper fascia bolts (1) to the wheelhouse liner. Fastener Specifications
    GM5537668Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  268. Lower the vehicle.
  269. Intake Air Splash Shield (2) - Install
    GM5541784Courtesy of GENERAL MOTORS COMPANY
  270. Intake Air Baffle Retainer (1) - Install [9x]
  271. Hood Secondary Latch Release Handle (2) - Install
    GM5541781Courtesy of GENERAL MOTORS COMPANY
  272. Hood Latch Actuator Bolt (1) - Install and tighten [2x] - Fastener Specifications
  273. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection (9C1, 5W4) , or Battery Negative Cable Disconnection and Connection (KL9)
  274. Recharge the refrigerant. Refrigerant Recovery and Recharging
  275. Inspect for refrigerant leaks.
  276. Prelube is necessary if the engine is replaced or overhauled. Engine Prelubing
  277. CAUTION:

    USE ONLY GE-47716 for Cooling System Draining and Filling. DO NOT USE Static Fill as it will result in damage to the engine.

  278. Using the GE-47716  Vac-N-Fill Coolant Refill Tool procedure only, fill the coolant system. Cooling System Draining and Filling (GE 47716 L84, L87) , or Cooling System Draining and Filling (Static L84, L87)
  279. Install the oil fill cap.
  280. Start the engine and check for fuel leaks.
  281. Run the engine speed at about 1, 000 RPM until the engine has reached normal operating temperature. Check the vehicle oil pressure gauge and confirm that the engine has acceptable oil pressure, listen for unusual noises. If necessary, install an oil pressure gauge and measure the engine oil pressure.
  282. Inspect for oil leaks.
  283. Perform a final inspection for the proper engine oil and coolant levels.
  284. Perform the throttle body idle air flow compensation reset procedure. Throttle Body Idle Air Flow Compensation Reset
  285. Perform the crankshaft position variation learn. Crankshaft Position Variation Learn
  286. If any of the heated oxygen sensors are replaced, perform the heated oxygen sensor heater resistance learned values reset. Heated Oxygen Sensor Heater Resistance Learned Values Reset
  287. After installation, aim the front headlamps. Front Headlamp Aiming (without Horizontal Adjustment) , or Front Headlamp Aiming (with Horizontal Adjustment)