GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2004
🢒
Classic
🢒
Brakes
🢒
Hydraulic Brakes
🢒 Drum Brake Adjustment
Tools Required
J 21177-A
Drum-to-Brake Shoe Clearance Gage
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle
in General Information.
Remove the rear wheels and tires. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
Remove the rear drums. Refer to
Brake Drum Replacement
.
Set the
J 21177-A
so that the
J 21177-A
contacts the inside diameter of the drum at the widest point.
Position the
J 21177-A
over the shoes at the widest point.
Turn the adjuster nut until the shoes just contact the
J 21177-A
.
Repeat steps two through five for the other rear brake assembly.
Install the rear drums. Refer to
Brake Drum Replacement
.
Install the rear wheels and tires. Refer to
Tire and Wheel Removal and Installation
in Tires and Wheels.
Lower the vehicle.