GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Notice: Do not remove the bolts and/or screws which hold the body together.


    Object Number: 99903  Size: SH
  1. Remove the case side cover pan. Refer to Control Valve Body Cover Replacement .

  2. Object Number: 99912  Size: SH
  3. Disconnect the electrical wiring harness, as needed.

  4. Object Number: 99918  Size: SH
  5. Remove the pump bolts.
  6. Inspect the pump. Refer to Oil Pump Disassemble .

Installation Procedure


    Object Number: 99915  Size: SH
  1. Install the pump on the valve body.
  2. Install the bolts.
  3. Tighten

    1. Tighten the top and bottom bolts to 24 N·m (18 lb ft).
    2. Tighten the remaining bolts to 11 N·m (97 lb in).

    Refer to

    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.

    in General Information.


    Object Number: 99912  Size: SH
  4. Connect the electrical wiring harness.

  5. Object Number: 99903  Size: SH
  6. Install the case side cover pan. Refer to Control Valve Body Cover Replacement .
  7. Adjust the fluid level.