Parking Brake Adjustment (J55)

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.

Special Tools

J 21177-A Drum to Brake Shoe Clearance Gauge

WARNING:

Refer to Brake Dust Warning .

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

The park brake shoes require adjustment.

Fig 1: Measuring Inside Of Rotor

Courtesy of GENERAL MOTORS COMPANY

Set the J 21177-A to the inside diameter of the rear brake rotor (1).

Fig 2: Adjusting Parking Brake Shoes Using Special Tool

Courtesy of GENERAL MOTORS COMPANY

Position the J 21177-A .
Turn the adjuster nut until the lining (1) just contacts the J 21177-A .
Repeat steps 1 through 3 for the opposite side.
The clearance between the park brake shoe and the rotor is 0.660 mm 0.026 inches.