GM Service Manual Online
For 1990-2009 cars only

Parking Brake Support Replacement Bendix 229mm

Removal Procedure


    Object Number: 29070  Size: SH
  1. Remove the drum (8). Refer to Brake Drum Replacement .
  2. Remove the linings (1). Refer to Parking Brake Shoe Replacement .
  3. Remove the bolts (7).
  4. Remove the support plate (6).
  5. Inspect the support plate (6) for damage, distortion and corrosion.
  6. Remove any corrosion from the shoe contact surfaces with a fine emery cloth.
  7. Replace the support plate if damage or distortion is found.

Installation Procedure


    Object Number: 29070  Size: SH
  1. Install the support plate (6).
  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 bolts (7).
  4. Tighten
    Tighten the bolts to the following specifications:

    •  86 N·m (63 lb ft) for a manual transmission
    • 46 N·m (34 lb ft) for an automatic transmission
  5. Install the linings (1). Refer to Parking Brake Shoe Replacement .
  6. Install the drums (8). Refer to Brake Drum Replacement .

Parking Brake Support Replacement Bendix 305mm

Removal Procedure


    Object Number: 199965  Size: SH
  1. Remove the drum. Refer to Brake Drum Replacement .
  2. Remove the camshaft (2). Refer to Park Brake Camshaft Replacement .
  3. Remove the bolts and the nuts that hold the support plate (4).
  4. Remove the support plate (4).

  5. Object Number: 199968  Size: SH
  6. Remove the following items from the support plate (23) if necessary:
  7. • The nuts (1)
    • The washer (10)
    • The curved spring washer (11)
    • The adjusting eccentric (15)
  8. Inspect the support plate (23) for damage, distortion and corrosion.
  9. Remove any corrosion from the contact surfaces with a fine emery cloth.
  10. Replace the support plate (23) if any damage or distortion is found.

Installation Procedure


    Object Number: 199968  Size: SH
  1. Install the following items if any of the items were removed:
  2. • The adjusting eccentric (15)
    • The curved spring washer (11)
    • The washer (10)
    • The nuts (1)
  3. Adjust the adjusting eccentric (15).
  4. • Tighten the inboard nut in order to compress the curved spring washer (11) enough to create a drag of 6 N·m (55 lb in) on the shoe adjusting eccentric (15) after the adjusting eccentric (15) has been turned one complete revolution.
    • Tighten the outboard nut in order to lock the adjustment.

    Object Number: 199965  Size: SH
  5. Install the support plate (4).
  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. Install the support plate mounting bolts and the nuts.
  8. Tighten
    Tighten the nuts to 170 N·m (125 lb ft).

  9. Install the camshaft (2). Refer to Park Brake Camshaft Replacement .
  10. Install the drum. Refer to Brake Drum Replacement .