Rear

Fig. 16 Rear disc brake caliper assembly. 1984 Cressida (if equipped):

Pads, Replace

1. Raise and support rear of vehicle, then remove tire and wheel assembly.
2. Remove pad protector, Fig. 16.
3. Remove anti-rattle spring No. 2, Fig. 16, then hold anti-rattle spring No. 1 and remove lower hole pin.
4. Remove anti-rattle spring No. 1, then remove upper hole pin.
5. Remove pads and anti-squeal shims.
6. Siphon a small amount of brake fluid from master cylinder reservoir, then force caliper piston into bore.
7. Reverse procedure to install.

Caliper, Replace

1. Raise and support rear of vehicle, then remove tire and wheel assembly.
2. Disconnect brake hose from brake tube, then remove brake hose clip and disconnect brake hose from caliper.
3. Remove pad protector, anti-rattle springs, hole pins, brake pads and anti-squeal shims, Fig. 16.
4. Remove two caliper mounting bolts, then the caliper.

Rotor Disc, Replace

1. Remove caliper as described under "Caliper, Replace".
2. Remove rotor disc.

Caliper, Overhaul

1. Remove two bridge bolts from outer body, Fig. 16, then separate outer body from caliper.
2. Remove torque plate.
3. Remove cylinder boot and set ring.
4. Remove piston using compressed air. When using air pressure to remove caliper piston, place a shop towel over the piston to prevent it from flying out.
5. Remove piston seal from caliper bore.
6. Reverse procedure to install. Lubricate piston seal, caliper boot, piston and caliper bore with suitable rubber lube. Torque bridge bolts to 37-43 ft. lbs. After assembly is complete, ensure torque plate slides smoothly.
7. Torque caliper mounting bolts to 29-39 ft. lbs.




Parking Brake Shoes, Replace

1. Raise and support rear of vehicle, then remove tire and wheel assembly.
2. Remove rear caliper, refer to "Caliper, Replace".
3. Remove rotor disc.

Fig. 17 Rear disc brake parking brake assembly. Supra, Celica & 1984 Cressida (if equipped):

4. Remove shoe return springs, Fig. 17.
5. Remove shoe strut and spring.
6. Slide front shoe from under shoe hold-down spring, then remove shoe adjusting screw, tension spring and remove shoe.
7. Slide rear from shoe hold-down spring, then disconnect parking brake cable from shoe lever.
8. Measure brake drum inside diameter. Maximum diameter is 6.61 inches.
9. Measure brake shoe lining thickness. Minimum thickness is .039 inch. If lining is less than minimum, replace brake shoes.
10. Measure clearance between rear parking brake shoe and parking brake lever. Clearance should be .0138 inch. If clearance is incorrect, replacement shims are available to provide proper clearance.
11. Apply non-melting grease on brake backing plate shoe flats, then on shoe sliding surface.
12. Lubricate adjusting screw with non-melting lubricant.
13. Connect parking brake lever to cable.
14. Slide rear shoe into position under shoe hold-down spring, then install tension spring.
15. Install adjusting screw on rear shoe and partially install on front shoe.
16. Slide front shoe into position under shoe hold-down spring. Ensure adjusting screw and tension spring are positioned properly.
17. Install front shoe return spring, then rear return spring.
18. Lightly sand brake drum inner surface, then align the service hole on disc with groove on axle shaft and install disc.
19. Install caliper, then adjust parking brake. Refer to "Parking Brake, Adjust".