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Home >> Cadillac >> 2004 >> CTS Base, 3.6 7 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Engine Mechanical - 3.2L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Engine Replacement (5L40-E) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Install the J 39456  to the engine lift brackets and attach to the engine lift devise. See Special Tools and Equipment .
  2. Fig 1: Removing & Installing Upper Transmission Mounting Bolts
    GM785861Courtesy of GENERAL MOTORS CORP.
  3. With the aid of an assistant complete the following:
    1. Position the transmission to the engine.
    2. Align the engine dowels (1) with the transmission.
  4. NOTE: Refer to Fastener Notice in Cautions and Notices.
  5. Install the transmission mounting bolts (2-3).

    Tighten:  Tighten the M12 transmission mounting bolts to 75 N.m (55 lb ft).

  6. Fig 2: Removing & Installing Lower Transmission Mounting Bolts
    GM785862Courtesy of GENERAL MOTORS CORP.
  7. Install the 3 lower transmission mounting bolts (1-2).

    Tighten: 

    • Tighten the M10 transmission mounting bolt (1) to 50 N.m (44 lb ft).
    • Tighten the M12 transmission mounting bolts (2) to 75 N.m (55 lb ft).

  8. Fig 3: Removing Torque Converter Bolts
    GM785760Courtesy of GENERAL MOTORS CORP.
  9. Align the torque converter to flexplate/flywheel orientation marks made during the removal procedure.
  10. IMPORTANT: Torque converter bolts are self locking and must be replaced with NEW torque converter bolts every time the bolts are removed.
  11. Repeat the following steps for all 3 torque converter bolts:
    1. Rotate the crankshaft center bolt in the engine rotational direction, clockwise using the J 42098  , in order to align the torque converter bolt holes in the flexplate/flywheel with the access hole in the engine block. See Special Tools and Equipment .
    2. To aid in alignment of the torque converter to the flexplate/flywheel. Install all 3 NEW torque converter bolts before fully tightening.

      Tighten:  Tighten the torque converter bolts to 63 N.m (46 lb ft).

  12. Fig 4: Removing & Installing Torque Converter Bolt Close Out Plug
    GM785758Courtesy of GENERAL MOTORS CORP.
  13. Press the torque converter bolt close out plug into the engine block.
  14. Fig 5: Removing & Installing Transmission Close Out Plug
    GM785863Courtesy of GENERAL MOTORS CORP.
  15. Install the transmission close out plug.
  16. Fig 6: Identifying Engine Wiring Harness Retaining Clips
    GM785771Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Route the engine wiring harness as noted during removal.
  17. Position the engine wiring harness to the engine.
  18. Connect the engine wiring harness retaining clips (1) to the transmission mounting bolts.
  19. Connect the engine wiring harness retainers.
  20. Connect the engine wiring harness connectors to the electrical components.
  21. Fig 7: View Of Left Engine Mount Bracket Retaining Bolts
    GM785355Courtesy of GENERAL MOTORS CORP.
  22. Install the left engine mount bracket and retaining bolts.

    Tighten:  Tighten the engine mount bracket bolts to 60 N.m (44 lb ft).

  23. Fig 8: View Of Right Engine Mount Bracket Mounting Bolts
    GM816392Courtesy of GENERAL MOTORS CORP.
  24. Install the right engine mount bracket and retaining bolts.

    Tighten:  Tighten the engine mount bracket bolts to 60 N.m (44 lb ft).

  25. Fig 9: Identifying Bolts Securing Engine Wiring Harness Ground Leads To Left Cylinder Head
    GM785762Courtesy of GENERAL MOTORS CORP.
  26. Install the 2 bolts (2-4) securing the engine wiring harness ground leads (1-3) to the left cylinder head.

    Tighten: 

    • Tighten the engine ground lead to left cylinder head bolt (2) to 30 N.m (22 lb ft).
    • Tighten the coil ground to left cylinder head bolt (4) to 50 N.m (37 lb ft).

  27. IMPORTANT: The following are on-vehicle procedures, use only the portion of the procedure needed for installation of the component.
  28. Install the following components if previously removed:
  29. Fig 10: Identifying Engine Lift Devise
    GM861151Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Ensure clearance is maintained between the engine/transmission assembly and the following:
    • The A/C compressor
    • The A/C hoses
    • The brake pipes at the BPMV
    • The coolant bypass valve
    • The electric cooling fans
    • The engine wiring electrical harness
    • The fuel hoses
    • The power steering pump
    • The radiator
    • The remote power steering fluid reservoir
    • The vehicles tunnel
  30. Alternate between the following in order to install the engine/transmission assembly into the engine compartment:
    • Carefully lower the engine/transmission assembly using the engine lift devise.
    • Position a lift jack under the rear of the transmission in order to aid in aligning the engine mount brackets with the engine mounts.
  31. Remove the J 39456  from the engine lift brackets. See Special Tools and Equipment .
  32. Fig 11: Removing & Installing Transmission Support
    GM785386Courtesy of GENERAL MOTORS CORP.
  33. Install the transmission support to the vehicle.
  34. Fig 12: Removing & Installing Transmission Support Mounting Bolts
    GM785394Courtesy of GENERAL MOTORS CORP.
  35. Install the outer transmission support mounting bolts. Do not tighten at this time
  36. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  37. Fig 13: Removing & Installing Inner Transmission Support Mounting Bolts
    GM785390Courtesy of GENERAL MOTORS CORP.
  38. Install the inner transmission support mounting bolts.

    Tighten:  Tighten the transmission support mounting bolts to 60 N.m (44 lb ft).

  39. Fig 14: Removing & Installing Transmission Mount Nuts
    GM785397Courtesy of GENERAL MOTORS CORP.
  40. Install the transmission mount nuts.

    Tighten:  Tighten the transmission mount nuts to 60 N.m (44 lb ft).

  41. Fig 15: Securing Front Propeller Shaft To Shift Control Lever With Mechanics Wire
    GM787650Courtesy of GENERAL MOTORS CORP.
  42. Remove the mechanics wire (2) securing front propeller shaft (1) to the shift control lever (3).
  43. Fig 16: View Of Propeller Shaft Coupler
    GM801931Courtesy of GENERAL MOTORS CORP.
  44. Install the propeller shaft coupler (1) to the transmission flange. Refer to Propeller Shaft Replacement (Automatic Transmission) or Propeller Shaft Replacement (Manual Transmission) or Propeller Shaft Replacement (CTS-V) in Driveline/Axle.
  45. Fig 17: Identifying Shift Linkage
    GM785877Courtesy of GENERAL MOTORS CORP.
  46. Place the transmission in the park position by rotating the shift shaft fully counter clockwise.
  47. Connect the shift linkage to the transmission.
  48. Install the transmission manual shift shaft nut.

    Tighten:  Tighten the transmission manual shift shaft nut to 9 N.m (80 lb in).

  49. Fig 18: Locating Upper Engine Mount Retaining Nut
    GM785353Courtesy of GENERAL MOTORS CORP.
  50. Install the left engine mount upper retaining nut.

    Tighten:  Tighten the engine mount nut to 80 N.m (59 lb ft).

  51. Fig 19: View Of Right Engine Mount Upper Retaining Nut
    GM816388Courtesy of GENERAL MOTORS CORP.
  52. Install the right engine mount upper retaining nut.

    Tighten:  Tighten the engine mount nut to 80 N.m (59 lb ft).

  53. Install the transmission fluid cooler pipes. Refer to Transmission Fluid Cooler Hose/Pipe Replacement (LA3, LY9) in Automatic Transmission-5L40-E.
  54. Install the oil filter adapter. Refer to Oil Filter Adapter Replacement .
  55. Fig 20: Identifying Variable Effort Steering Electrical Connector & ABS Wiring Harness Retainers
    GM818791Courtesy of GENERAL MOTORS CORP.
  56. Secure the ABS wiring harness retainers (2) to the engine frame.
  57. If equipped, connect the variable effort steering electrical connector (1) to the power steering gear pigtail.
  58. Fig 21: Identifying ABS Wiring Harness
    GM802031Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Route the ABS wiring harness as noted during removal.
  59. Secure the ABS wiring harness retainers to the following:
    • The lower control arms
    • The electric cooling fan
  60. Fig 22: Identifying ABS Wiring Harness Electrical Connector At Left & Right Wheel Speed Sensors
    GM750896Courtesy of GENERAL MOTORS CORP.
  61. Connect the ABS wiring harness electrical connectors to the left and right wheel speed sensors.
  62. Fig 23: Identifying EBCM Electrical Connector, EBCM Connector Tab, EBCM, EBCM Connector Position Assurance Retainer
    GM772830Courtesy of GENERAL MOTORS CORP.
  63. Connect the EBCM electrical connector (1) to the EBCM (3).
  64. Rotate the EBCM connector tab (2) down into the locked position.
  65. Install the EBCM connector position assurance retainer (4) to the EBCM electrical connector (1).
  66. If equipped, connect the electrical connector to the brake fluid pressure sensor.
  67. Install the catalytic converter hanger bracket. Refer to Catalytic Converter Hanger Bracket Replacement in Engine Exhaust.
  68. Install the left and right catalytic converters. Refer to Catalytic Converter Replacement - Left (LA3, LY9) or and Catalytic Converter Replacement - Right (LA3, LY9) in Engine Exhaust.
  69. Install the exhaust system. Refer to Exhaust System Replacement (LA3, LY9) in Engine Exhaust.
  70. Lower the vehicle.
  71. Fig 24: Locating A/C Compressor Electrical Connector
    GM785773Courtesy of GENERAL MOTORS CORP.
  72. Position the A/C compressor to the accessory mounting bracket.
  73. Install the A/C compressor mounting bolts.

    Tighten:  Tighten the A/C compressor mounting bolts to 20 N.m (15 lb ft).

  74. Connect the electrical connector to the A/C compressor.
  75. Fig 25: Locating Remote Power Steering Fluid Reservoir Mounting Bolts
    GM785730Courtesy of GENERAL MOTORS CORP.
  76. Install the remote power steering fluid reservoir mounting bolts (1, 3).

    Tighten: 

    • Tighten the remote power steering fluid reservoir to intake plenum mounting bolts (1) to 9 N.m (80 lb in).
    • Tighten the remote power steering fluid reservoir to cylinder head mounting bolt (3) to 25 N.m (18 lb ft).

  77. Fig 26: Identifying Engine Wiring Harness & Remote Power Steering Fluid Reservoir
    GM785764Courtesy of GENERAL MOTORS CORP.
  78. Connect the following to the remote power steering fluid reservoir (1):
    • The vacuum brake booster hose
    • The wiring harness (2)
  79. Connect the vacuum brake booster hose to the vacuum source.
  80. Fig 27: Locating Steering Pump Mounting Bolts
    GM785728Courtesy of GENERAL MOTORS CORP.
  81. Position the power steering pump to the accessory mounting bracket.
  82. Install the power steering pump mounting bolts.

    Tighten:  Tighten the power steering pump mounting bolts in sequence to 35 N.m (26 lb ft).

  83. Install the drive belt. Refer to Drive Belt Replacement .
  84. Fig 28: Identifying Power Steering Pressure Hose Nut & A/C Compressor Stud
    GM802720Courtesy of GENERAL MOTORS CORP.
  85. Install the power steering pressure hose retainer and nut to the A/C compressor stud.

    Tighten:  Tighten the power steering hose retaining nut to 8 N.m (71 lb in).

  86. Fig 29: View Of Engine Wiring Harness-To-A/C Pressure Hose Retainer
    GM785766Courtesy of GENERAL MOTORS CORP.
  87. Connect the retainer (1) securing the engine wiring harness to the A/C pressure hose.
  88. Fig 30: Identifying Power Steering Return Hose Nut & A/C Compressor Stud
    GM803176Courtesy of GENERAL MOTORS CORP.
  89. Install the power steering return hose retainer and nut to the A/C compressor stud.

    Tighten:  Tighten the power steering hose retaining nut to 8 N.m (71 lb in).

  90. Fig 31: Identifying A/C Refrigerant Pressure Sensor & Electrical Connector
    GM785777Courtesy of GENERAL MOTORS CORP.
  91. Connect the electrical connector (1) to the A/C refrigerant pressure switch (2).
  92. Connect the 2 engine wiring harness connectors to the left body rail connectors.
  93. Position the J 38185  to the clamp in order to connect the surge tank outlet hose to the surge tank. See Special Tools and Equipment .
  94. Fig 32: Identifying Inlet Heater Hose
    GM760782Courtesy of GENERAL MOTORS CORP.
  95. Position the J 38185  to the clamp (1) in order to connect the inlet heater hose to the heater core. See Special Tools and Equipment .
  96. Fig 33: Identifying Hose Clamp & Afterboil Coolant Pump
    GM789004Courtesy of GENERAL MOTORS CORP.
  97. Position the J 38185  to the clamp (1) in order to connect the outlet heater hose to the afterboil coolant pump (2). See Special Tools and Equipment .
  98. Fig 34: Locating Fuel Rail Quick Connect Fittings
    GM785815Courtesy of GENERAL MOTORS CORP.
  99. Insert the chassis hose/pipes into the retainer (4) located at the ECM bracket.
  100. Close the retainer (4).
  101. Connect the EVAP quick connect fitting (3). Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
  102. Refer to Quick Connect Fitting(s) Service (Metal Collar) in order to connect the following quick connect fittings to the fuel rail:
    • The feed hose/pipe (2)
    • The return hose/pipe (1)
  103. Fig 35: Identifying Coolant Bypass Inlet Hose To Afterboil Coolant Pump Pipe Hose Clamp
    GM756131Courtesy of GENERAL MOTORS CORP.
  104. Position the J 38185  to the clamp (1) in order to connect the coolant bypass inlet hose to the afterboil coolant pump pipe. See Special Tools and Equipment .
  105. Fig 36: Identifying Coolant Bypass Outlet Hose To Coolant Inlet Pipe Hose Clamps
    GM789008Courtesy of GENERAL MOTORS CORP.
  106. Position the J 38185  to the clamp (2) in order to connect the coolant bypass outlet hose to the coolant inlet pipe. See Special Tools and Equipment .
  107. Fig 37: Identifying Surge Tank Inlet Hose
    GM785753Courtesy of GENERAL MOTORS CORP.
  108. Position the J 38185  to the clamps in order to connect the surge tank inlet hose to the following:
    • The radiator
    • The throttle body assembly
  109. Install the outlet radiator hose. Refer to Radiator Hose Replacement - Outlet (LA3, LY9) in Engine Cooling.
  110. Install the inlet radiator hose. Refer to Radiator Hose Replacement - Inlet (LA3, LY9) in Engine Cooling.
  111. Fill the cooling system. Refer to Draining and Filling Cooling System (LA3, LY9) in Engine Cooling.
  112. Fig 38: Identifying Engine Wiring Harness Connector
    GM756128Courtesy of GENERAL MOTORS CORP.
  113. Connect the engine wiring harness connector (1) to the coolant bypass solenoid.
  114. Fig 39: Identifying Engine Wiring Harness
    GM785776Courtesy of GENERAL MOTORS CORP.
  115. Install the bolt securing the engine wiring harness ground lead to the right body rail.

    Tighten:  Tighten the engine wiring harness ground lead bolt to 9 N.m (80 lb in).

  116. Connect the engine wiring harness connector at the right shock tower.
  117. Install the intake air resonator. Refer to Intake Air Resonator Replacement in Engine Controls-2.6L and 3.2L.
  118. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-2.6L and 3.2L.
  119. Fig 40: Identifying Transmission Control Module Retainer & Electrical Connector
    GM796810Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Twisting or tilting of the transmission control module electrical connector while connecting may result in bent or misaligned electrical terminal pins.
  120. Carefully connect the transmission control module electrical connector (1) to the transmission control module.
  121. Lock the transmission control module electrical connector securely to the transmission control module by pushing the retainer (2) toward the electrical connector (1) until fully seated.
  122. Fig 41: Identifying Battery Positive Cable To Underhood Fuse Block
    GM772415Courtesy of GENERAL MOTORS CORP.
  123. Install the nut (1) securing the battery positive cable (2) to the underhood fuse block.

    Tighten:  Tighten the battery positive cable to underhood fuse block nut to 15 N.m (11 lb ft).

  124. Connect the battery positive cable to the battery.

    Tighten:  Tighten the battery cable to 17 N.m (13 lb ft).

  125. Connect the engine wiring harness electrical connector to the underhood fuse block.
  126. Fig 42: View Of Underhood Fuse Box
    GM785724Courtesy of GENERAL MOTORS CORP.
  127. Install the underhood fuse block cover to the underhood fuse block.
  128. Fig 43: View Of Battery Area Mounts And Connectors
    GM772418Courtesy of GENERAL MOTORS CORP.
  129. Install the bolt (1) securing the battery negative cable to the side rail.

    Tighten:  Tighten the battery negative cable to side rail bolt to 36 N.m (27 lb ft).

  130. Connect the body harness connector (3) to the battery negative cable.
  131. Connect the battery negative cable. Refer to Battery Negative Cable Disconnect/Connect Procedure in Engine Electrical.
  132. Position the front air inlet panel to the battery tray and cowl.
  133. Install the fasteners securing the front air inlet panel to the battery tray and cowl.

    Tighten:  Tighten the front air inlet panel assembly fasteners to 6 N.m (53 lb in).

  134. Install the wiper motor module. Refer to Wiper Motor Module Replacement (LHD) or Wiper Motor Module Replacement (RHD) in Wipers/Washer Systems.
  135. Install the hood. Refer to Hood Replacement in Body Front End.
  136. Fill the engine oil. Refer to Engine Oil and Oil Filter Replacement .