REMOVAL & INSTALLATION
See Figures 1 and 2
- Raise the rear of the car and support the car with safety stands. Make sure the parking brake is not on.
- Remove the lug nuts that attach the wheels to the axle shaft and remove the tires and wheels from the car.
- Remove the drum retainer nuts from the wheel studs, if so equipped. Pull the brake drum off the axle shaft. If the brakes are adjusted too tightly to remove the drum, see Step 4. If you can remove the drum, proceed to Step 5.
- If the brakes are too tight to remove the drum, get under the car (make sure you have safety stands under the car to support it) and remove the rubber plug from the bottom of the brake backing plate. Shine a flashlight into the slot in the plate. You will see the top of the adjusting screw star wheel and the adjusting lever for the automatic brake adjusting mechanism. To back off on the adjusting screw, you must first insert a small, thin screwdriver or a piece of firm wire (coat hanger wire) into the adjusting slot and push the adjusting lever away from the adjusting screw. Then, insert a brake adjusting spoon into the slot and engage the top of the star wheel. Lift up on the bottom of the adjusting spoon to force the adjusting screw star wheel downward. Repeat this operation until the brake drum is free of the brake shoes and can be pulled off.
- Line up the wheel studs with the holes in the brake drum. Push the drum over the studs until it seats fully against the hub.
If the brake adjustment was altered in order to remove the drum, the brakes will need to be adjusted again. For a detailed description of drum brake adjustment, see the beginning of this section.
- Install the drum retainer nuts on the wheel studs, if so equipped, and tighten securely.
- Install the tires and wheels, tightening the lug nuts securely.
- Remove the brake drum, as described above.
- Examine the inside of the brake drum; it should have a smooth, dull finish. If excessive brake shoe wear caused grooves to wear in the drum it must be machined or replaced. If the inside of the drum is slightly glazed, but otherwise good, it can be cleaned up with medium grit sandpaper.
- If no repairs are required, install the brake drum and wheel. If the brake adjustment was changed to remove the drum, adjust the brakes until the drum will just fit over the brakes. After the wheel is installed it will be necessary to complete the adjustment. See Brake Adjustment at the beginning of this section.