Parking Brake Cable Adjuster Disabling

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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.

Fig 1: Identifying Screwdriver, Pedal Drum & Pedal Assembly

Courtesy of GENERAL MOTORS CORP.

Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
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 thin tool (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).
Slowly release the cable.
Remove the component that requires service.