Park Brake Pedal Adjustment
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
Before you adjust the park brake, verify that the park brake shoes are adjusted to provide a clearance of 0.026" (0.6604 mm).
Verify that the self adjuster lock-out pin has be removed. Fully apply and release the park brake pedal 3 times.