Park Brake Shoe Adjustment
Tools Required
J 21177-A
Drum-to-Brake
Shoe Clearance Gage
Caution: Refer to Brake Dust Caution in the Preface section.
Important: The park brake shoes must be adjusted before
the park brake pedal is adjusted.
- Set the
J 21177-A
so that it contacts the inside diameter of the rotor.
- Position the
J 21177-A
over the shoe and the lining at the widest point.
- Turn the adjuster nut until the lining just contacts the
J 21177-A
.
- Repeat steps 1-3 for the opposite side.
- The clearance between the park brake shoe and the rotor is 0.6604 mm
(0.026 in).
Park Brake Pedal Adjustment
Important: 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).
- Verify that the equalizer nut is tightened to 3.5 N·m (31 lb in).
- Fully apply and release the park brake pedal 3 times.
Park Brake Adjustment - 2nd Design
- Ensure that the park brake is fully released.
- Pull the release handle and pull the pedal to full release position, while
at the same time pulling the cable strand through the cable conduit.
- With the pedal secure, pull the cable strand until the adjuster fully
takes out the cable slack, and the adjuster is fully wound.
- While maintaining tension on the front cable strand, install a pin through
the hole in the cover, pedal, and past the adjuster, and into the hole mounting bracket.
- Release the tension of the cable strand.