GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2000
🢒
Envoy - 4WD
🢒
Brakes
🢒
Park Brake
🢒 Parking Brake Adjustment
Tools Required
J 21177-A
Drum-to-Brake Shoe Clearance Gage
Remove the rear brake rotor. Refer to
Rear Brake Rotor Replacement
in Disc Brakes.
Adjust the
J 21177-A
until it contacts the inside diameter of the rotor (1).
Position the
J 21177-A
over the park shoe lining, left side shown, at the widest point (1).
Turn the adjuster nut until the lining just contacts the
J 21177-A
.
Repeat steps 1 through 3 to adjust the right rear park brake.
The clearance between the rear park brake shoe lining and the rotor should be 0.66 mm (.026 in.)
Install the rear brake rotor. Refer to
Rear Brake Rotor Replacement
in Disc Brakes.