GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 39344 Harmonic Balancer Installer
    • J 41816 Crankshaft Balancer Remover
    • J 28467-360 Engine Support Fixture

Removal Procedure

  1. Install engine support fixture.
  2. Remove the drive belt. Refer to Drive Belt Replacement .
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Drain the crankcase.
  5. Remove the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  6. Remove the right engine splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
  7. Remove the right front antilock brake system (ABS) wheel speed sensor harness from the right suspension support.
  8. Remove the right front ball joint, the cotter pin and the nut. Separate the ball joint from the control arm.
  9. Remove the right outer tie rod cotter pin and the nut. Separate the rod from the spindle.
  10. Remove lower closeout panel.

  11. Object Number: 63664  Size: SH
  12. Remove the A/C compressor bolts and support the compressor. Refer to Air Conditioning Compressor Replacement in HVAC Systems - Manual.
  13. Position the compressor aside. Support the compressor. Refer to Air Conditioning Compressor Replacement in HVAC Systems - Manual.
  14. Remove engine to transmission brace.
  15. Disconnect oil level sensor.
  16. Remove brake line from frame retainers.
  17. Remove the starter. Refer to Starter Motor Replacement in Engine Electrical.
  18. Remove front and rear transmission to frame nuts/bolts.
  19. Loosen left side cradle bolts.
  20. Remove the right front and the right rear engine cradle bolts.

  21. Object Number: 54394  Size: SH
  22. Remove the oil pan side bolts.
  23. Remove the oil pan bolts.
  24. Remove the oil pan.
  25. Remove the oil pan gasket.
  26. Clean the following items:
  27. • The oil pan flanges
    • The oil pan rail
    • The front cover
    • The rear main bearing cap
    • The threaded holes

Installation Procedure


    Object Number: 54394  Size: SH
  1. Install a new gasket. Place sealant on the oil pan gasket tabs if you are installing the rear main bearing cap. Place the sealer on the tabs that insert into the gasket groove of the outer surface on the main bearing cap. Use GM P/N 1052080 or the equivalent.
  2. Install the oil pan.
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the oil pan bolts.
  5. Tighten
    Tighten the oil pan bolts to 25 N·m (18 lb ft).

  6. Install the oil pan side bolts.
  7. Tighten
    Tighten the oil pan side bolts to 50 N·m (37 lb ft).

  8. Position the cradle and install the right side bolts.
  9. Tighten
    Tighten bolts to 110 N·m (81 lb ft).

  10. Install nuts/bolt to front and rear transmission mounts.
  11. Tighten
    Tighten bolts/nuts to 120 N·m (89 lb ft).

  12. Install the starter. Refer to Starter Motor Replacement in Engine Electrical.
  13. Install the A/C compressor to the engine. Refer to Air Conditioning Compressor Replacement in HVAC Systems-Manual.
  14. Install the right side ball joint. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.
  15. Install the right side tie rod end to the spindle.
  16. Connect the right front antilock brake system (ABS) wheel speed sensor harness.
  17. Install brake line to frame retainers.
  18. Install the right engine splash shield. Refer to Engine Splash Shield Replacement in Body Front End.
  19. Install the right front tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  20. Install lower closeout panel.
  21. Lower the vehicle.
  22. Remove the engine support fixture.
  23. Install the drive belt. Refer to Drive Belt Replacement .
  24. Fill the crankcase.