GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 39505 Torque Wrench Adapter

Removal Procedure


    Object Number: 1556785  Size: SH
  1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Remove the engine mount struts. Refer to Engine Mount Strut Replacement.
  3. Install the engine support fixture. Refer to Engine Support Fixture.
  4. Remove the catalytic converter. Refer to Catalytic Converter Replacement.
  5. Remove the oil pan drain plug.
  6. Drain the crankcase.
  7. Reinstall the oil pan drain plug.
  8. Remove the right front tire and wheel. Refer to Tire and Wheel Removal and Installation.
  9. Remove the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
  10. Remove the accessory drive belt. Refer to Drive Belt Replacement.

  11. Object Number: 1556786  Size: SH
  12. Remove the oil filter adapter. Refer to Oil Filter Adapter and Bypass Valve Assembly Replacement.
  13. Remove the starter. Refer to Starter Replacement.

  14. Object Number: 1608216  Size: SH
  15. Remove the air conditioning (A/C) compressor nut and bolt.

  16. Object Number: 1608220  Size: SH
  17. Remove the A/C compressor rear bolt and position the compressor aside.

  18. Object Number: 1609295  Size: SH
  19. Disconnect the oil level sensor electrical connector.
  20. Remove the engine harness clips from the oil pan and the transaxle brace.

  21. Object Number: 1609662  Size: SH
  22. Remove the front transaxle brace to engine bolts and the brace.
  23. Loosen the transaxle mount lower nuts. Refer to Transmission Mount Replacement - Left Side.

  24. Object Number: 1609665  Size: SH
  25. Remove the rear transaxle brace to engine/oil pan bolts.
  26. Lower the vehicle.
  27. Using the engine support fixture, raise the engine.
  28. Raise the engine.

  29. Object Number: 1583199  Size: SH
  30. Using the J 39505 , remove the right side oil pan side bolts.
  31. Remove the left side oil pan side bolts (1).
  32. Remove the oil pan bolts (2).
  33. Remove the oil pan.
  34. Remove the oil pan gasket.
  35. Clean the following items:
  36. • The oil pan flanges
    • The oil pan rail
    • The front cover
    • The rear main bearing cap
    • The threaded holes

Installation Procedure


    Object Number: 61840  Size: SH
  1. Apply sealer to both sides of the crankshaft rear main bearing cap (1) and the front cover/block mating area. Press the sealer into the gap using a putty knife. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.

  2. Object Number: 1583199  Size: SH
  3. Install a NEW oil pan gasket.
  4. Position the oil pan to the engine.
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the oil pan bolts (2) and tighten to 25 N·m (18 lb ft).
  7. Install the left side oil pan side bolts (1).
  8. Using the J 39505 , install the right side oil pan side bolts and tighten to 50 N·m (37 lb ft).
  9. Install the engine mount bracket bolts and tighten to 50 N·m (37 lb ft).

  10. Object Number: 1609665  Size: SH
  11. Lower the vehicle.
  12. Using the engine support fixture, lower the engine.
  13. Raise the vehicle.
  14. Install the rear transaxle brace to engine/oil pan bolts and tighten to 63 N·m (46 lb ft).

  15. Object Number: 1609662  Size: SH
  16. Install the front transaxle brace and the brace to engine bolts and tighten to 63 N·m (46 lb ft).

  17. Object Number: 1609295  Size: SH
  18. Connect the oil level sensor electrical connector.
  19. Install the engine harness clips to the oil pan and the transaxle brace.
  20. Tighten the transaxle mount lower nuts. Refer to Transmission Mount Replacement - Left Side.

  21. Object Number: 1608216  Size: SH
  22. Position the A/C compressor, and install the A/C compressor nut and bolt and tighten to 50 N·m (37 lb ft).

  23. Object Number: 1608220  Size: SH
  24. Install the A/C compressor rear bolt and tighten to 50 N·m (37 lb ft).

  25. Object Number: 1556786  Size: SH
  26. Install the starter. Refer to Starter Replacement.
  27. Install the oil filter adapter. Refer to Oil Filter Adapter and Bypass Valve Assembly Replacement.
  28. Install the accessory drive belt. Refer to Drive Belt Replacement.
  29. Install the front wheelhouse liner. Refer to Front Wheelhouse Liner Replacement.
  30. Install the right front tire and wheel. Refer to Tire and Wheel Removal and Installation.
  31. Install the catalytic converter. Refer to Catalytic Converter Replacement.
  32. Lower the vehicle.
  33. Remove the engine support fixture.
  34. Install the engine mount struts. Refer to Engine Mount Strut Replacement.
  35. Fill the crankcase with new engine oil.
  36. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection.