GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 6125-1B Slide Hammer
    • J 44732 Output Shaft Seal Installer
    •  J 23129 Universal Seal Remover
    • J 8614-01 Flange and Pulley Holding Tool

Removal Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement in Propeller Shaft.

  3. Object Number: 811358  Size: SH
  4. Using the J 8614-01 , loosen the propeller shaft yoke nut. Use 2 3/8 NF bolts to hold the J 8614-01 to the propeller shaft yoke.

  5. Object Number: 811362  Size: SH

    Important: 

       • The transmission may have a 4 bolt parking brake drum/yoke assembly or an 8 bolt parking brake/drum assembly. The disassembly procedures to remove the drum/yoke assembly are the same.
       • The parking brake drum does not require removal from the propeller shaft yoke for transmission disassembly or assembly.
       • If removing the parking brake drum, and then reusing the drum, the drum to yoke requires alignment mark for assembling. The original drum and yoke come as a balanced assembly.

  6. Remove the propeller shaft yoke nut and discard.

  7. Object Number: 811364  Size: SH
  8. Remove the parking brake drum/yoke assembly.

  9. Object Number: 696799  Size: SH
  10. Using J 6125-1B (1) and J 23129 (2), remove the rear oil seal.

Installation Procedure

Important: The J 44732 will set the oil seal to the proper depth. Failure to use the J 44732 will cause improper installation of the oil seal.


    Object Number: 811515  Size: SH
  1. Using J 44732 install the rear oil seal.

  2. Object Number: 811364  Size: SH
  3. Install the parking brake drum/yoke assembly.

  4. Object Number: 811358  Size: SH
  5. Install a NEW yoke nut.
  6. 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.

  7. Using the J 8614-01 , tighten the propeller shaft yoke nut. Use 2 3/8 NF bolts to hold the J 8614-01 to the propeller shaft yoke.
  8. Tighten
    Tighten the yoke nut to 330 N·m (244 lb ft).

  9. Install the rear propeller shaft. Refer to One-Piece Propeller Shaft Replacement or Two-Piece Propeller Shaft Replacement in Propeller Shaft.
  10. Check the transmission fluid level. Add if necessary.
  11. Lower the vehicle.