Disabling the Park Brake Cable Automatic Adjuster

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, 2004 Chevrolet Cab & Chassis Silverado, and 2003 GMC Sierra. However, it is still accessible from the selected car via links, so may be relevant.

Before any components of the parking brake system are serviced, the following procedure must be followed. Two technicians are required to perform this procedure: one inside the vehicle and one outside the vehicle.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
Hold the pedal in the FULL upward position.
Pull rearward on the front park brake cable until the pedal drum (2) reaches its full reset position.
Insert a scribe or the shaft of a thin screwdriver (1) on an upward angle through the hole in the front of the pedal assembly, past the retracted pedal drum, and into the hole in the back of the pedal assembly (3).

Fig 1: Screwdriver, Pedal Drum & Pedal Assembly

Courtesy of GENERAL MOTORS CORP.

Slowly release the cable.
Remove the component that requires service.