GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2005 🢒 GTO 🢒 General Information 🢒 General Information 🢒 Rear Disc Brake Mounting and Hardware Inspection
  1. Use a siphon in order to remove half of the brake fluid from the master cylinder reservoir.
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly from the vehicle. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

    4. Object Number: 171943 Size: SH
  4. Install a large C-clamp over the brake caliper.
  5. Position 1 end of the clamp against the caliper body adjacent to the brake hose fitting.
  6. Position the other end of the clamp against the outer pad.
  7. Tighten the clamp in order to compress the caliper piston into the caliper bore.
  8. Remove the clamp.
  9. Attempt to move the caliper up and down. Verify the caliper is not loose.
  10. Attempt to move the caliper inward and outward. Verify the caliper slides smoothly with minimal force.

    11. Object Number: 1355001 Size: SH
  11. Inspect the caliper bolts (6,7) for the following conditions:
    12. • Corrosion
    • Damage
    • Looseness
  12. Gently pull the caliper slide pins (4,10) inward and outward without disengaging the slide pins from the boots (3,12).
  13. Inspect the boots for cracks or tears.
  14. Inspect the caliper slide pins for the following conditions:
    15. • Corrosion
    • Wear
    • Damage
    • Foreign material between the guide pin hex and the caliper
  15. If any of the conditions exist, replace the disc brake hardware. Refer to Rear Disc Brake Hardware Replacement .
  16. Inspect the bracket (1) for damage. Replace the caliper assembly if damage is evident. Refer to Rear Brake Caliper Replacement .
  17. Fill the master cylinder fluid reservoir. Refer to Master Cylinder Reservoir Filling .