Park Brake Shoe Adjustment

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Refer to Brake Dust Warning .

NOTE: The park brake shoes must be adjusted before the park brake cable tension is adjusted.

Fig 1: Measuring Inside Of Rotor

Courtesy of GENERAL MOTORS CORP.

Set the J 21177-A so it contacts the inside diameter of the rotor.

Fig 2: Adjusting Parking Brake Shoes Using Special Tool

Courtesy of GENERAL MOTORS CORP.

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 .
Specification: Park brake shoe to brake rotor clearance: 0.6604 mm (0.026 in)
Repeat steps 1-3 for the opposite side.