GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39505 Torque Wrench Adapter

Removal Procedure

  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the engine mount struts. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side .
  3. Install the engine support fixture. Refer to Engine Support Fixture .
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Remove the A/C compressor and reposition the A/C compressor. Refer to Air Conditioning Compressor Replacement in Heating, Ventilation and Air Conditioning.
  6. Remove the catalytic converter pipe from the right exhaust manifold. Refer to Catalytic Converter Replacement in Engine Exhaust.
  7. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .

  8. Object Number: 54406  Size: SH
  9. Disconnect the oil level sensor electrical connector.
  10. Remove the starter motor. Refer to Starter Motor Replacement in Engine Electrical.
  11. Remove the transaxle brace from the oil pan. Refer to Transmission Brace Replacement in Automatic Transaxle - 4T65 - E.
  12. Loosen the transaxle mount lower nuts. Refer to Transmission Mount Replacement - Left Side in Automatic Transaxle - 4T65 - E.
  13. Remove the engine mount lower nuts. Refer to Engine Mount Replacement - Right Side .
  14. Lower the vehicle.
  15. Use the engine support fixture to raise the engine.
  16. Raise the vehicle.
  17. Remove the steering shaft intermediate pinch bolt. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.
  18. Remove the engine mount bracket with the engine mount from the oil pan. Refer to Engine Mount Bracket Replacement - Right Side .
  19. Remove the right side lower ball joint from the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.
  20. Remove the right side outer tie rod from the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
  21. Remove the right side stabilizer link. Refer to Stabilizer Shaft Link Replacement in Front Suspension.
  22. Install the jackstands to the frame assembly.
  23. Remove the right side frame bolts and loosen the left side frame bolts. Refer to Frame Replacement in Frame and Underbody.
  24. Using the jackstands lower the right side of the frame assembly.

  25. Object Number: 105907  Size: MH
  26. Use the J 39505 to remove the right oil pan side bolts.

  27. Object Number: 105914  Size: SH
  28. Remove the left oil pan side bolts.

  29. Object Number: 105918  Size: MH
  30. Remove the oil pan bolts.
  31. Remove the oil pan.
  32. Remove the oil pan gasket.
  33. Clean and inspect the oil pan and the engine block gasket mating surfaces.

Installation Procedure


    Object Number: 61840  Size: SH
  1. Apply sealant GM P/N 12345739 (Canadian P/N 10953541) at the rear main bearing cap and the engine block (1).
  2. Install the oil pan gasket.

  3. Object Number: 105918  Size: MH
  4. Install the oil pan.
  5. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 105914  Size: SH
  8. Install the left oil pan side bolts.

  9. Object Number: 105907  Size: MH
  10. Install the right side oil pan bolts.
  11. Tighten

        • Use the J 39505 to tighten the right side oil pan bolts to 50 N·m (37 lb ft).
        • Tighten the left side oil pan bolts to 50 N·m (37 lb ft).
  12. Using the jackstands raise the frame assembly to the original position.
  13. Install the right side and tighten the left side frame bolts. Refer to Frame Replacement in Frame and Underbody.
  14. Remove the jackstands from the frame assembly.
  15. Install the right side stabilizer link. Refer to Stabilizer Shaft Link Replacement in Front Suspension.
  16. Install the right side outer tie rod to the steering knuckle. Refer to Rack and Pinion Outer Tie Rod End Replacement in Power Steering System.
  17. Install the right side lower ball joint to the steering knuckle. Refer to Lower Control Arm Ball Joint Replacement in Front Suspension.
  18. Install the engine mount bracket with the engine mount to oil pan. Refer to Engine Mount Bracket Replacement - Right Side .
  19. Install the steering shaft intermediate pinch bolt. Refer to Intermediate Steering Shaft Replacement in Steering Wheel and Column.
  20. Lower the vehicle.
  21. Use the engine support fixture to lower the engine to the original position.
  22. Raise the vehicle.
  23. Install the transaxle mount lower nuts. Refer to Transmission Mount Replacement - Left Side in Automatic Transaxle - 4T65 - E.
  24. Install the engine mount lower nuts. Refer to Engine Mount Replacement - Right Side .
  25. Install the transaxle brace to the oil pan. Refer to Transmission Brace Replacement in Automatic Transaxle - 4T65 - E.
  26. Install the starter motor. Refer to Starter Motor Replacement in Engine Electrical.

  27. Object Number: 54406  Size: SH
  28. Connect the oil level sensor electrical connector.
  29. Install the catalytic converter pipe to the right exhaust manifold. Refer to Catalytic Converter Replacement in Engine Exhaust.
  30. Install the A/C compressor. Refer to Air Conditioning Compressor Replacement in Heating, Ventilation and Air Conditioning.
  31. Lower the vehicle.
  32. Remove engine support fixture.
  33. Install the engine mount struts to the engine. Refer to Engine Mount Strut Replacement - Left Side and Engine Mount Strut Replacement - Right Side .
  34. Fill the crankcase with new engine oil. Refer to Engine Oil and Oil Filter Replacement .
  35. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.