GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: Do not raise the engine by the crankshaft balancer to perform this service procedure. Damage to the crankshaft balancer or the crankshaft may occur.


    Object Number: 742043  Size: SH
  1. Drain the engine oil. Refer to Engine Oil and Oil Filter Replacement .
  2. Remove the oil level indicator tube. Refer to Oil Level Indicator and Tube Replacement .
  3. Remove the starter motor. Refer to Starter Motor Replacement .
  4. Remove the oil cooler line bracket bolt.
  5. Remove the oil cooler line bracket from the oil pan.

  6. Object Number: 635648  Size: SH
  7. Remove the transmission fluid cooler line clip bolt.
  8. Remove the transmission fluid cooler line bracket bolt and bracket.
  9. Disconnect the oil level switch electrical connector.
  10. Remove the oil level switch from the oil pan.
  11. Remove the oil pan bolts.

  12. Object Number: 635654  Size: SH

    Important: The oil pan gasket is reusable if not cut or damaged.

  13. Remove the oil pan (1) and the captured oil pan gasket (2).
  14. Clean and inspect the oil pan.

Installation Procedure

Important: The oil pan must be installed within 5 minutes of the sealer being applied or the sealer will begin to cure, causing an inadequate seal.


    Object Number: 677833  Size: SH
  1. Apply sealant to the side of the front (1) and rear (2) crankshaft bearing caps, on both the left and right sides (4 locations total). Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.

  2. Object Number: 635654  Size: SH
  3. Install a new oil pan gasket (2) into the oil pan groove, if necessary.
  4. Install the oil pan (1).

  5. Object Number: 677869  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.

  6. Install the oil pan bolts.
  7. Tighten

    1. Tighten the oil pan bolt in sequence a first pass to 10 N·m (89 lb in).
    2. Tighten the oil pan bolts in sequence a final pass to 25 N·m (18 lb ft).
  8. Install the transmission fluid cooler line bracket bolt and bracket.
  9. Tighten
    Tighten the transmission fluid cooler line bracket bolt to 30 N·m (22 lb ft).

  10. Install the transmission fluid cooler line clip bolt.
  11. Tighten
    Tighten the transmission fluid cooler line clip bolt to 30 N·m (22 lb ft).

  12. Install the oil level switch to the oil pan.
  13. Tighten
    Tighten the oil level switch to 14 N·m (10 lb ft).

  14. Connect the oil level switch electrical connector.

  15. Object Number: 742043  Size: SH
  16. Install the oil cooler line bracket to the oil pan.
  17. Install the oil cooler line bracket bolt.
  18. Tighten
    Tighten the oil cooler line bracket bolt to 9 N·m (80 lb in).

  19. Install the starter motor. Refer to Starter Motor Replacement .
  20. Install the oil level indicator. Refer to Oil Level Indicator and Tube Replacement .
  21. Fill the engine with oil. Refer to Engine Oil and Oil Filter Replacement .