GM Service Manual Online
For 1990-2009 cars only

    Object Number: 4191  Size: SH
  1. Install the parking lock bracket (86).
  2. 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.

  3. Install the parking lock bracket bolt (87).
  4. Tighten
    Tighten the bolt to 31 N·m (23 lb ft).

  5. Inspect the following items:
  6. • The parking brake pawl (81) for damage or cracks
    • The parking pawl return spring (80) for being broken or missing

    Object Number: 1568380  Size: SH
  7. Inspect the following items:
  8. • The manual shaft retainer (83) for damage or cracks
    • The manual shaft (84) for damage or burrs
    • The parking lock actuator assembly (85) for damage
    • The inside detent lever (88) for damage or cracks
    • The manual valve link (89) for damage
    • The hex head nut (90) for damage or stripped threads
  9. Install the following items:
  10. • The inside detent lever (88)
    • The parking lock actuator assembly (85)
    • The manual shaft (84) (model dependent)
    • The manual shaft retainer (83)
    • The hex head nut (90)
    • The manual valve link (89)

    Tighten
    Tighten the nut to 31 N·m (23 lb ft).