GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 179572  Size: MH
  1. Remove the hose retainer clip from the fluid cooler hoses (1, 4, and 5).
  2. Remove the cable from the bracket at the top of the transaxle. Refer to Range Selector Lever Cable Replacement .
  3. Remove the TV cable bracket from the top of the transaxle. Refer to Automatic Transmission Throttle Valve Cable Replacement .
  4. Remove the inlet and the outlet hose-to-pipe clamps.
  5. Remove the fluid cooler hoses from the fluid cooler pipes (2, 3).
  6. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  7. Place a drain pan container under the transaxle cooler.
  8. Disconnect the inlet and the outlet hose-to-transaxle cooler clamps at the bottom of the radiator.
  9. Remove the hoses from the transaxle cooler.
  10. Remove the union pipe from the fluid cooler pipes at the bottom of the transaxle.
  11. Remove the drain pan under the transaxle cooler.
  12. Lower the vehicle.
  13. Remove the bolt and the bracket that retains the fluid cooler pipe from the top of the transaxle.
  14. Remove the inlet and the outlet fluid cooler pipes from the transaxle.
  15. Inspect the cooler hoses and the cooler pipes for damage and for leaks. Replace the cooler hoses and the cooler pipes, as necessary.

Installation Procedure


    Object Number: 179572  Size: MH
  1. Install the cooler union pipe and the fluid cooler pipes (2, 3) to the transaxle.
  2. 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. Install the bracket to the top of the transaxle. Secure the bracket with the 1 bolt.
  4. Tighten
    Tighten the bolt that retains the bracket for the transaxle cooler pipe to 10 N·m (7.5 lb in).

  5. Raise the vehicle.
  6. Install the inlet and the outlet union bolts to the fluid cooler pipes to the bottom of the transaxle.
  7. Tighten
    Tighten the inlet and the outlet union bolts to 22 N·m (16 lb ft).

  8. Install the fluid cooler hoses (1, 4, 5) to the transaxle cooler at the bottom of the radiator. Secure the inlet and the outlet hose-to-transaxle cooler clamps.
  9. Lower the vehicle.
  10. Install the fluid cooler hoses to the fluid cooler pipes. Secure the hoses with the clamps.
  11. Install the cable and the TV cable bracket to the top of the transaxle. Refer to Automatic Transmission Throttle Valve Cable Replacement .
  12. Install the cable into the bracket at the top of the transaxle. Refer to Range Selector Lever Cable Replacement .
  13. Install the retainer clip to the fluid cooler hoses.
  14. Refill the transaxle, as necessary. Refer to Transmission Fluid Check .