GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Tools Required

J 21177-A Drum-to-Brake Shoe Clearance Gage


    Object Number: 177186  Size: SH
  1. Remove the rear caliper bracket. Refer to Rear Brake Caliper Bracket Replacement .
  2. Remove the rotor. Refer to Rear Brake Rotor Replacement .
  3. Loosen the adjusting nut on the parking brake cable until the lever is at the rest position. Refer to Park Brake Cable Service/Adjustment

  4. Object Number: 177200  Size: SH
  5. Set the J 21177-A so that the J 21177-A contacts the inside diameter of the rotor.

  6. Object Number: 177201  Size: SH
  7. Position the J 21177-A over the shoe and lining at the widest point.

  8. Object Number: 177199  Size: SH
  9. Turn the adjuster nut (5) until the lining just contacts the J 21177-A .
  10. Repeat steps two through five for the opposite side.
  11. Adjust the adjusting nut on the rear parking brake cable. Refer to Park Brake Cable Service/Adjustment .

Installation Procedure


    Object Number: 177186  Size: SH
  1. Tighten the parking brake cable adjusting nut. Refer to Park Brake Cable Service/Adjustment .
  2. Install the rear rotor. Refer to Rear Brake Rotor Replacement .
  3. Install the rear caliper bracket. Refer to Rear Brake Caliper Bracket Replacement .