GM Service Manual Online
For 1990-2009 cars only

Warning: Refer to Brake Dust Warning in the Preface section.

  1. Grasp the brake caliper and try to move the brake caliper up or down. The brake caliper should not have excessive looseness.
  2. Grasp the brake caliper and try to move the brake caliper in and out . The brake caliper should slide smoothly with minimal force.
  3. Inspect the brake caliper retainers (1).
  4. Inspect the disc brake pad mounting hardware for the following:
  5. • Bent mounting tabs
    • Excessive corrosion
    • Looseness at the brake caliper mounting bracket
    • Looseness at the disc brake pads
    • Missing mounting hardware
  6. If any of the conditions listed are found, the disc brake pad mounting hardware requires replacement.
  7. Ensure the disc brake pads are held firmly in place on the brake caliper mounting bracket, yet slide easily on the mounting hardware without binding.
  8. Inspect the brake caliper bolts for the following:
  9. • Bent or damaged brake caliper bolts
    • Bent or damaged brake caliper mounting bracket
    • Binding
    • Corrosion
    • Cracked or torn boots
    • Looseness in the brake caliper mounting bracket
    • Missing boots
    • Seizing
  10. If any of the conditions listed are found, the brake caliper mounting hardware requires replacement.