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

Special Tools

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

Note: The park brake shoes must be adjusted before the park brake pedal is adjusted.

1. Set the J 21177-A so that it contacts the inside diameter of the rotor (1).



2. Position the J 21177-A over the shoe (1) and the lining at the widest point.
3. Turn the adjuster nut until the lining just contacts the J 21177-A .
4. Repeat steps 1-3 for the opposite side.
5. The clearance between the park brake shoe and the rotor is 0.6604 mm (0.026 in).

Note: Before you adjust the park brake, verify that the park brake shoes are adjusted to provide a clearance of 0.6604 mm (0.026 in).

1. Verify that the automatic adjuster lock-out pin has been removed.
2. Fully apply and release the park brake pedal 3 times.