GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air cleaner assembly. Refer to Air Filter Element and Air Cleaner Assembly .

  2. Object Number: 97457  Size: SH
  3. Remove the return and the sending pipe fittings at the radiator and allow the fluid in the pipes and the cooler to drain.

  4. Object Number: 97458  Size: SH
  5. Remove the sending pipe fitting at the transmission and the pipe from the vehicle.
  6. Raise the vehicle and support the vehicle. Refer to Vehicle Lifting and Jacking in General Information.

  7. Object Number: 97461  Size: SH
  8. Remove the retaining nut and the return pipe fitting at the transmission and the return pipe from the vehicle.

Installation Procedure


    Object Number: 97461  Size: SH
  1. Install the retum pipe and the retaining nut at the transmission. Install the fitting finger tight.
  2. Tighten

        • Tighten the return pipe fitting at the transmission to 22 N·m (I 6 lb ft).
        • Tighten the retaining nut to 6 N·m (53 lb in).

    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.

  3. Lower the vehicle.

  4. Object Number: 97458  Size: SH
  5. Install the sending pipe at the transmission. Install the fitting finger tight.
  6. Tighten
    Tighten the sending pipe fitting at the transmission to 22 N·m (1 6 Ib ft).


    Object Number: 97457  Size: SH
  7. Install the return and the sending pipe fittings at the radiator. Install the fittings finger tight.
  8. Tighten
    Tighten the fittings to 27 N·m (20 Ib ft).

  9. Install the air cleaner assembly. Refer to Air Filter Element and Air Cleaner Assembly
  10. Add DEXRON-III transmission fluid as required. Refer to Automatic Transmission Fluid and Filter Replacement and to Fluid Capacity Specifications .