GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.

  2. Object Number: 406345  Size: SH
  3. Remove the transmission oil cooler lines from the radiator.

  4. Object Number: 406285  Size: SH
  5. Remove the transmission oil cooler lines from the transmission.

Installation Procedure


    Object Number: 406285  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.

  1. Install the transmission oil cooler lines to the transmission.
  2. Tighten
    Tighten the pipe fitting to 22 N·m (16 lb ft).


    Object Number: 406345  Size: SH
  3. Install the transmission oil cooler lines to the radiator.
  4. Tighten
    Tighten the pipe fitting to 27 N·m (20 lb ft).

  5. Lower the vehicle.