How to Install the Rear Disc Brakes on a 1985 GMC Sierra

Replacing the rear disc brakes on a 1985 GMC Sierra is an important repair for safety. If you need to replace them, you'll find that you don't need any special tools to get the job done.

Instructions

Rear brake removal

1

Remove about two thirds of the brake fluid from the master cylinder reservoir with a suction gun or syringe. The master cylinder reservoir is on the passenger's side of the engine compartment of the GMC Sierra.

2

Raise the rear of the car with a jack and prop on jack stands. Loosen the lug nuts of the rear tires using a torque wrench and then remove the wheels.

3

Remove the caliper and the caliper mounting bracket bolts so you can take out the brake pads.

Rear brake installation

4

Fasten a wear indicator to the inner pads and two to the outer pads.

5

Place the brake pads on the caliper mounting bracket and then bolt the mounting bracket to the steering knuckle.

6

Place the caliper over the brake pads and connect with bolts.

7

Replace the tires, tighten the lug nuts and lower the car.

8

Refill the master cylinder reservoir with brake fluid to the level indicated.