GM Service Manual Online
For 1990-2009 cars only

Parking Brake Adjustment J55

Tools Required

J 21177-A Drum to Brake Shoe Clearance Gage

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

The park brake cable is self-adjusting. No cable adjustment is needed.

The park brake shoes require adjustment.


    Object Number: 177200  Size: SH
  1. Set the J 21177-A to the inside diameter of the rear brake rotor (1).

  2. Object Number: 177201  Size: SH
  3. Position the J 21177-A .
  4. Turn the adjuster nut until the lining (1) just contacts the J 21177-A .
  5. Repeat steps 1 through 3 for the opposite side.
  6. The clearance between the park brake shoe and the rotor is 0.660 mm 0.026 inches.