GM Service Manual Online
For 1990-2009 cars only

    Object Number: 648159  Size: SH
  1. Install a new O-ring to the lower crankcase (1).
  2. Install new O-rings to the oil pump pipe.

  3. Object Number: 648667  Size: SH
  4. Apply sealant to the upper oil pan (2).
  5. Place the upper oil pan with the oil pump pipe and screen assembly beneath the crankcase.

  6. Object Number: 648666  Size: SH

    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.

  7. Install the oil pump pipe and screen assembly and secure with the 2 bolts.
  8. Tighten
    Tighten the bolts to 11 N·m (8.0 lb ft).


    Object Number: 648667  Size: SH
  9. Install the upper oil pan to the crankcase and secure with the bolts.
  10. Tighten
    Tighten the bolts to 11 N·m (8.0 lb ft).


    Object Number: 648669  Size: SH
  11. Install the bracket (3) to the oil strainer (2).
  12. Tighten
    Tighten the bolts to 11 N·m (8.0 lb ft).

  13. Attach the radiator outlet pipe to the upper oil pan.