GM Service Manual Online
For 1990-2009 cars only

Transmission Fluid Filler Tube and Seal Replacement LL8

Removal Procedure


    Object Number: 744648  Size: SH
  1. Remove the filler tube indicator.
  2. Remove the nut (2) securing the filler tube to the exhaust manifold stud (1).

  3. Object Number: 744703  Size: SH
  4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  5. Position a drain pan under the vehicle.
  6. Remove the filler tube (1) and seal (2) from the vehicle.

Installation Procedure


    Object Number: 744703  Size: SH
  1. Install a new seal (2) into the transmission case.
  2. Install the filler tube (1) into the seal.
  3. Remove the drain pan.
  4. Lower the vehicle.

  5. Object Number: 744648  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.

  6. Install the nut (2) securing the filler tube to the exhaust manifold stud (1).
  7. Tighten
    Tighten the nut to 10 N·m (89 lb in).

  8. Install the filler tube indicator.
  9. Fill the transmission to the proper level with DEXRON® III transmission fluid. Refer to Transmission Fluid Check .