GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the negative battery cable. 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. Raise the vehicle. Support the vehicle. Refer to General Vehicle Lifting and Jacking in General Information.
  3. Remove the case side cover. Refer to Case Side Cover Replacement (W/ Gasket) .

  4. Object Number: 97350  Size: SH
  5. Remove the wiring harness as necessary.

  6. Object Number: 97348  Size: SH
  7. Remove the oil pump to valve body bolts.
  8. Inspect the oil pump. Refer to Oil Pump Disassemble .

Installation Procedure


    Object Number: 97352  Size: SH
  1. Install the oil pump to the valve body.

  2. Object Number: 97348  Size: SH

    Notice: Use a torque wrench to tighten the pump to valve body bolts. Do not exceed the torque specifications.

  3. Install the oil pump to valve body bolts.

  4. Object Number: 97350  Size: SH
  5. Install the wiring harness, if removed.
  6. Install the case side cover. Refer to Case Side Cover Replacement (W/ Gasket) .
  7. Lower the vehicle.
  8. Connect the negative battery cable.