GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Disconnect the transaxle oil cooler (TOC) outlet hose from top side of the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  3. Object Number: 824985  Size: SH
  4. Remove the TOC hose retainer bolt.
  5. Position a drain pan below the oil cooler hoses.

  6. Object Number: 823225  Size: SH
  7. Disconnect the TOC outlet hose from the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

  8. Object Number: 823224  Size: SH
  9. Disconnect the TOC inlet hose from the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

  10. Object Number: 823227  Size: SH
  11. Disconnect the TOC inlet hose from the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
  12. Disconnect the TOC hoses from the radiator support retainer.
  13. Remove the TOC hoses from the vehicle.

Installation Procedure

Notice: Allow sufficient clearance around the transaxle oil cooler pipes and around the hoses to prevent damage or wear which may cause fluid loss.


    Object Number: 823227  Size: SH
  1. Install the TOC hoses to the vehicle.
  2. Connect the TOC hoses to the radiator support retainer.
  3. Connect the TOC inlet hose to the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

  4. Object Number: 823224  Size: SH
  5. Connect the TOC inlet hose to the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

  6. Object Number: 823225  Size: SH
  7. Connect the TOC outlet hose to the transaxle. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

  8. Object Number: 824985  Size: SH

    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.

  9. Install the TOC hose retainer and the bolt.
  10. Tighten
    Tighten the bolt to 25 N·m (18 lb ft).

  11. Lower the vehicle.
  12. Connect the TOC outlet hose to the top side of the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
  13. Adjust the fluid level. Refer to the following information.
  14. •  Transmission Fluid Check .
    •  Fluid and Lubricant Recommendations in Maintenance and Lubrication.
    •  Approximate Fluid Capacities in Maintenance and Lubrication.