GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 558823  Size: SH
  1. Disconnect the battery negative cables from the battery. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  2. Remove the oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .
  3. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  4. Drain the engine oil.
  5. Remove the transmission oil cooler lines from the retainer.

  6. Object Number: 540536  Size: SH
  7. Remove the oil pan from the engine block.

  8. Object Number: 524238  Size: SH
  9. Remove the oil pan rear oil seal.
  10. Clean the sealing surfaces for the oil pan and the engine block.

Installation Procedure


    Object Number: 524238  Size: SH
  1. Apply a 2 mm (1/16 in) bead of RTV sealant GM P/N 12346286 to the oil pan rear seal at the inside corners where the seal meets the rear main bearing cap on the block.
  2. Install the oil pan rear seal to the rear main bearing cap before the sealer starts to dry.
  3. Apply a 5 mm (3/16 in) bead of RTV sealant GM P/N 12346286 to the oil pan sealing surface, inboard of the bolt holes. Install the pan before the sealer starts to dry.

  4. Object Number: 540536  Size: SH
  5. Install the oil pan to the engine.
  6. 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 pan bolts.
  8. Tighten

        • Tighten all except the rear two bolts to 10 N·m (89 lb in).
        • Tighten the rear two bolts to 23 N·m (17 lb ft).
  9. Install the oil pan drain plug.
  10. Tighten
    Tighten the oil pan drain plug to 25 N·m (18 lb ft).


    Object Number: 558823  Size: SH
  11. Install the transmission oil cooler lines to the reatiner.
  12. Lower the vehicle.
  13. Install the engine oil level indicator and tube. Refer to Oil Level Indicator and Tube Replacement .
  14. Connect the battery negative cables to the batteries. Refer to Battery Negative Cable Disconnection and Connection in Engine Electrical.
  15. Change the engine oil and oil filter. Refer to Engine Oil and Oil Filter Replacement .