GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Install the engine support fixture. Refer to Engine Support Fixture .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 758466  Size: SH
  4. Drain the engine oil.
  5. Remove the lower AC compressor bolts.
  6. Loosen the upper AC compressor bolts.
  7. Loosen the left side frame bolts.
  8. Remove the right side frame bolts.

  9. Object Number: 466580  Size: SH
  10. Remove the oil pan bolts.

  11. Object Number: 479939  Size: SH
  12. Remove the oil pan

Installation Procedure


    Object Number: 412541  Size: SH
  1. Make sure that the oil pan and mounting surface on the lower crankcase are free of all oil and debris.
  2. Apply a 3.5 mm (0.138 in) bead of RTV GM P/N 12378521 (Canadian P/N 88901148) around the perimeter of the oil pan and the oil suction port opening.

  3. Object Number: 479939  Size: SH
  4. Install the oil pan.
  5. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 466580  Size: SH
  6. Install the oil pan bolts.
  7. Tighten
    Tighten the oil pan bolts to 25 N·m (18 lb ft).

  8. Tighten the left side frame bolts. Refer to Front Frame Replacement in Frame and Underbody.
  9. Tighten the right side frame bolts. Refer to Front Frame Replacement in Frame and Underbody.
  10. Install the AC compressor bolts. Refer to Air Conditioning Compressor Replacement in Heating, Ventilation and Air Conditioning.
  11. Lower the vehicle.
  12. Remove the engine support fixture.
  13. Fill the engine oil to the proper level.