K 2500 Truck 4WD V8-379 6.2L DSL VIN C FI (1989)
Fig. 1 Exploded View Of Drum Brake Assembly.
Duo Servo
On the Duo Servo brake system the adjustment screw assembly is located at the bottom of the brake shoes. The adjustment slot is located near the
bottom of the backing plate.
With Duo Servo Brakes
For additional information see Notes, Warnings, and Hints. See: Fundamentals and Basics
Fig. 1 Exploded View Of Drum Brake Assembly.
1.
Raise and support vehicle, then remove tire and wheel assembly.
2.
Remove brake drum. If brake lining is dragging on brake drum, back off brake adjustment by rotating adjustment screw. If brake drum is rusted or
corroded to axle flange and cannot be removed, lightly tap flange to drum mounting surface with a suitable hammer.
3.
Using brake spring pliers or equivalent, unhook primary and secondary return springs. Observe location of brake parts being removed to aid
during installation.
4.
Remove brake hold-down springs with suitable tool.
5.
Lift actuating lever, then unhook actuator link from anchor pin and remove.
6.
Remove actuating lever(s) and return spring.
7.
Spread shoes apart and remove parking brake strut and spring.
8.
Disconnect parking brake cable from lever, then remove brake shoes from backing plate.
