GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cables. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.

  2. Object Number: 60238  Size: SH
  3. Remove the oil level indicator.
  4. Raise the vehicle.
  5. Support the vehicle with safety stands.
  6. Drain the engine oil.
  7. Remove the flywheel cover.
  8. Remove the oil cooler line clip.
  9. Remove the front propeller shaft (if equipped). Refer to Propeller Shaft.
  10. Roll the front axle (if equipped).
  11. Remove the oil pan bolts.
  12. Remove the oil pan.
  13. Remove the oil pan rear oil seal.
  14. Clean the old RTV from the oil pan and the block.
  15. Clean all the oil and grease from the gasket surfaces.

Installation Procedure

  1. Apply a 2 mm (1/16 in) bead of RTV sealant GM P/N 12345739 or equivalent 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. Object Number: 60264  Size: SH
  4. Install the oil pan rear oil seal.
  5. Install the oil pan to the engine.
  6. Install the oil pan bolts.
  7. 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).

    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.

    Important: If the oil cooler lines were disconnected from the quick connector or block, replace the fastener clip when reconnecting.

  8. Install the oil cooler line clip.

  9. Object Number: 60238  Size: SH
  10. Install the oil level indicator tube.
  11. Install the oil level indicator tube bolt.
  12. Tighten
    Tighten the oil level indicator tube bolt to 4 N·m (35 lb in).

  13. Install the flywheel cover.
  14. Reposition the front axle (if equipped).
  15. Install the front propeller shaft (if equipped). Refer to Propeller Shaft.
  16. Lower the vehicle.
  17. Apply proper quantity and grade of engine oil. Refer to Maintenance and Lubrication.
  18. Connect the negative battery cables. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.