Rear brake calipers refit

REAR BRAKE CALIPERS Refit

Service repair no - 70.55.06 Service repair no - 70.55.17

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

Remove

1. Remove rear road wheels.
2. Using a recognised hose clamp, clamp flexible brake hose above rear axle.

10. Remove wiper seal retainer by inserting a blunt
3. Remove brake pipe from rear brake caliper.
11. Taking care not to damage seal grooves, extract
4. Seal pipe ends to prevent ingress of dirt.
5. Remove retaining pins and withdraw pads. If
12. Clean bores, pistons and particularly seal

same pads are to be refitted, identify them for assembly in original positions.

6. Remove 2 bolts and withdraw caliper from rear axle.
13. Apply brake fluid to new seal. Fit seal into

WARNING: Do not separate caliper halves.

7. Clean outer surfaces of caliper with aerosol brake cleaner.
8. WITH CAUTION expel pistons from their bores by applying air pressure to fluid inlet port. It is unlikely both pistons will expel at same time, regulate rate with a suitable piece of wood inserted between two pistons.

9. Finally, remove pistons keeping them identified with their respective bores.

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

wiper seal and fluid seal.

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

groove in bore. When seal is seated it feels raised to touch at edge furthest away from mouth of bore.