Front brake calipers refit

FRONT BRAKE CALIPERS Refit

Service repair no - 70.55.05 Service repair no - 70.55.16

Before starting repair refer to general brake service practice. See General Brake Service Practice

Remove

1. Remove front road wheels.
2. Expose flexible brake hose by moving coiled protective covering.
3. Using a hose clamp, clamp hose to prevent loss of brake fluid.

WARNING: Do not separate caliper halves

7. Clean outer surfaces of caliper using aerosol brake cleaner.
8. Using special tool LRT-70-500, clamp pistons in inboard half of caliper. Gently, keeping fingers clear, and with CAUTION, apply air pressure to fluid inlet port to expel pistons. It is unlikely that pistons will expel at same time. Regulate rate with a suitable piece of wood between appropriate piston and caliper.

4. Disconnect rigid brake pipe from flexible hose, seal exposed ends to prevent ingress of dirt. 10. Remove wiper seal retainer by inserting a blunt
5. Remove split [cotter] pin, retaining pins and springs, withdraw pads. If refitting pads, identify them for assembly to original locations. 11. Taking care not to damage seal grooves, extract
6. Remove 2 bolts and withdraw caliper from swivel housing. 12. Clean bores, pistons and seal grooves using
9. Finally remove pistons, identifying them with their respective bores.

screwdriver between retainer and seal. Pry retainer carefully from mouth of bore.

wiper seal and fluid seal.

clean brake fluid only. If caliper or pistons are corroded, or their condition is not perfect, new parts must be fitted.