GM Service Manual Online
For 1990-2009 cars only

The park brake must be adjusted any time the park brake cables have been replaced or disconnected, or if under heavy foot pressure the pedal travel is less than half the pedal total travel. Before adjusting the park brake, check the condition of the service brakes. Refer to Brake Pad Inspection in Disc Brakes. The rear brakes must be adjusted properly before adjusting the park brake.

  1. Block the front wheels.
  2. Raise the rear axle and support the rear axle with safety stands.
  3. Loosen the equalizer nut.
  4. Fully release the park brake pedal.
  5. Tighten the equalizer nut until the rear wheels will not rotate without excessive force in a forward direction.
  6. Loosen the equalizer nut until there is little or no drag when the rear wheels are rotated in a forward direction.
  7. Lower the vehicle.
  8. Remove the blocks from the front wheels.