Brake Shoe: Service and Repair

Fig. 2 Removing backing plate plug:

1. Raise and support vehicle.
2. Remove spindle cap by hammering lightly at 3 points around cap.
3. Remove cotter pin, castle nut and washer.
4. Loosen parking brake cable adjusting nuts.
5. Remove backing plate plug, Fig. 2.
6. Insert screwdriver into plug hole and push in direction shown. 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 J-2619-01 and brake drum remover J-34866, pull off brake drum.

Fig. 3 Removing brake lining hold down springs:

8. Remove brake shoe hold down springs by turning shoe hold down springs, Fig. 3.
9. Disconnect parking brake cable from parking brake shoe lever and remove brake shoes.

Fig. 4 Brake shoe return spring identification:

10. Remove spring 1 in Fig. 4, 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.
13. Remove bleeder screw from wheel cylinder.
14. Slightly loosen brake line flare nut.
15. Remove wheel cylinder mounting bolts. Disconnect brake line from wheel cylinder and put bleeder cap plug onto brake line to prevent brake fluid spillage.
16. Install new gasket on wheel cylinder. Remove bleed cap plug from brake line and connect line to wheel cylinder. Do not final tighten.
17. Torque wheel cylinder mounting bolts to 7.5-9 ft. lbs.
18. Torque brake line flare nut to 10.5-13 ft. lbs.
19. Install bleeder cap plug on bleeder.

Fig. 5 Assembling rear brake unit:

20. Assemble brake shoes, levers and springs as shown in Fig. 5.
21. Push shoe hold down springs down into place. Turn hold down pins to engage springs.

Fig. 6 Brake lining installation:

22. To minimize dimension `A-A,' Fig. 6, push strut towards backplate while pushing out on shoe as shown.
23. Position tab of spring clip behind parking lever.
24. Install brake drum and torque castle nut to 58-86.5 ft. lbs. Install cotter pin.
25. Install spindle cap.
26. Install wheel.
27. Depress brake pedal several times to obtain proper drum to shoe clearance and adjust parking brake.
28. Check that brake drum does not drag.
29. Lower vehicle and test brake operation.