Brake Caliper: Service and Repair

Fig. 7 Disassembled view of brake caliper:

1. Raise and support vehicle.
2. Disconnect brake hose from caliper.
3. Remove caliper mounting bolts.
4. Remove caliper from knuckle.
5. Clean caliper with brake fluid.
6. Remove cylinder boot set ring and boot from cylinder groove, Fig. 7.
7. Using compressed air, remove brake cylinder. Keep fingers away from piston.
8. Remove piston seal, taking care not to damage cylinder bore.
9. Install new piston seal in cylinder.

Fig. 8 Installing caliper boot:

10. Install new boot on piston so side with 2 grooves faces in toward cylinder and side with 3 grooves faces out, Fig. 8.
11. Install piston in caliper so it projects about .4 inch to ease installation. Install boot set ring.
12. Check that caliper slide bushings are lubricated with rubber grease. Check that slide bushing in each carrier hole can be moved smoothly in each direction.
13. Install caliper and inside pad on knuckle.
14. Tighten caliper bolts.
15. Connect brake hose.
16. Install wheel.
17. Lower vehicle and test brakes.