REMOVAL & INSTALLATION
Brake pads and shoes contain asbestos, which has been determined to be a cancer causing agent. Never clean the brake surfaces with compressed air! Avoid inhaling any dust from brake surfaces! When cleaning brakes, use commercially available brake cleaning fluids.
- Raise the vehicle and support safely.
- Remove the wheel and tire assembly.
- Remove the dust cap.
- Remove the self-locking nut.
- Remove the outer wheel bearing.
- Remove the drum with the inner wheel bearing from the spindle.
- Remove the grease seal.
- To determine if the self-locking nut is reusable:
- Screw in the self-locking nut until about 1 / 8 in. (3mm) of the spindle is showing.
- Measure the torque required to turn the self-locking nut counterclockwise.
- The lowest allowable torque is 48 inch lbs. (5.5 Nm). If the measured torque is less than the specification, replace the nut.
- Lubricate and install the inner wheel bearing.
- Install a new grease seal.
- Install the drum to the spindle.
- Lubricate and install the outer wheel bearing.
- Tighten the self-locking nut to 108-145 ft. lbs. (150-200 Nm).
- Install the grease cap.
- Raise and safely support the vehicle.
- Remove the rear wheel.
- Loosen the parking brake adjusting nut.
- Pull the drum from the rear hub assembly. Tap the drum with a soft mallet if necessary.
- Install the drum on the rear hub assembly.
- Install the wheel and adjust the parking brake.
- Lower the vehicle to the floor.
- With the brake drum removed from the vehicle, measure the inside diameter of the hub and drum at two or more locations.
- The service limit specification is 9.1 in. (231mm).
- Replace the brake drums and shoe and lining assemblies when the wear exceeds the limit or is badly out of balance.