Brake Shoe: Service and Repair
Fig. 1 Removing Backing Plate Plug:
Fig. 2 Brake Shoe Return Spring Identification.:
REMOVAL
1. Raise and support vehicle.
2. Remove spindle cap by hammering lightly at 3 points around cap.
3. Remove cotter pin or unfasten staked portion of nut, then remove castle nut and washer.
4. Loosen parking brake cable adjusting nuts.
5. Remove backing plate plug, Fig. 1.
6. Insert screwdriver into plug hole until it contacts shoe hold-down spring and push in direction shown, Fig. 1. This pushes hold-down spring up and releases parking brake shoe lever from hold-down spring, resulting in added clearance between shoe and drum.
7. Using slide hammer tool No. J-2619-01 and brake drum remover tool No. J-34866, or equivalents, pull off brake drum.
8. Remove brake shoe hold-down springs by turning hold-down pins.
9. Disconnect parking brake cable from parking brake shoe lever and remove brake shoes.
10. Remove spring 1 in Fig. 2, pull primary shoe in direction of arrow and disengage strut 4 and return spring 2.
11. Disconnect return spring 3 from shoe.
12. Disconnect parking brake shoe lever from shoe.
Fig. 3 Rear Brake Unit Assembly.:
Fig. 4 Brake Lining Installation.:
INSTALLATION
1. Assemble brake shoes, levers and springs as shown in Fig. 3.
2. Push shoe hold-down springs down into place. Turn hold-down pins to engage springs.
3. To minimize dimension "A-A," Fig. 4, push strut towards backplate while pushing out on shoe as shown.
4. Position tab of spring clip behind parking lever.
5. Install brake drum and torque castle nut to 58-86.5 ft. lbs. Install cotter pin.
6. Install spindle cap.
7. Install wheel.
8. Depress brake pedal several times to obtain proper drum to shoe clearance and adjust parking brake.
9. Check that brake drum does not drag.
10. Lower vehicle and test brake operation.