GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 258710  Size: SH
  1. Raise the vehicle and support the vehicle with safety stands. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Important: Ensure the park brake is released.

  3. Remove the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement or Three-Piece Propeller Shaft Replacement .

  4. Object Number: 258759  Size: SH

    Important:  Cap the end of the transmission in order to minimize fluid loss.

  5. Remove the parking brake drum and yoke assembly mounting bolt and washer.

  6. Object Number: 258760  Size: SH
  7. Remove the brake drum and yoke assembly.
  8. Remove the yoke from the drum assembly.
  9. Inspect the yoke ears for damage and the splines for the following damage:
  10. • Wear
    • Burrs
    • Twisting

Installation Procedure


    Object Number: 258760  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 bolts and washers holding the drum assembly to the yoke.
  2. Tighten
    Tighten the bolts and washers to 58 N·m (43 lb ft).

  3. Install the parking brake drum and yoke assembly.
  4. Tighten
    Tighten the bolt to 110 N·m (81 lb ft).


    Object Number: 258710  Size: SH
  5. Install the propeller shaft. Refer to Two-Piece Propeller Shaft Replacement or Three-Piece Propeller Shaft Replacement .
  6. Adjust the parking brake. Refer to Park Brake Cable Service/Adjustment .
  7. Lower the vehicle.