GM Service Manual Online
For 1990-2009 cars only
  1. Remove the brake drum.
  2. Inspect the brake linings, the brake drums, and the camshaft. Refer to Brake Drum Inspection .

  3. Object Number: 261834  Size: MH
  4. Inspect the air brake anchor pins (14) for corrosion and wear.
  5. Replace the air brake anchor pins (14) if necessary.

  6. Inspect the brake shoe rollers (7) for corrosion and wear.
  7. Replace the brake shoe rollers (7) if necessary.

  8. Inspect the camshaft (12) for the following conditions:
  9. Replace the camshaft (12) as necessary.

    • Cracks
    • Wear
    • Corrosion
  10. Inspect the brake chamber/camshaft support bracket (12) for the following conditions:
  11. Replace any damaged brackets.

    • Broken welds
    • Cracks
    • Misalignment