Parking Brake System: Adjustments
Park Brake AdjustmentPark Brake Shoe Adjustment
Tools Required
^ J21177-A Drum-to-Brake Shoe Clearance Gage
Important: The park brake shoes must be adjusted before the park brake pedal is adjusted.
1. Set the J21177-A so that it contacts the inside diameter of the rotor.
2. Position the J21177-A over the shoe and the lining at the widest point.
3. Turn the adjuster nut until the lining just contacts the J21177-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 inch).
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 inch).
1. Verify that the self adjuster lock-out pin has been removed.
(Editor's note: If there is no self-adjuster lockout pin found, as a possible alternative procedure, please refer to Disabling/Enabling the Park Brake Cable Automatic Adjuster procedure under Parking Brake Cable Adjustments.)
2. Fully apply and release the park brake pedal 3 times.