Brake Caliper, Servicing

Rear brake caliper, servicing

Note:
^ When carrying out repairs install all parts supplied in repair kit.
^ New brake calipers are filled with brake fluid and pre-bled.
^ Apply thin coat of lubricant G 052 150 A2 to brake cylinders, pistons and seals.
^ When carrying out repairs it is essential to appropriately pre-bleed the brake calipers (without brake pads) before installing in the vehicle.

1. Self-locking hex bolt, 35 Nm (26 ft. lbs.)
^ Always replace
^ When loosening and tightening counterhold on guide pin
2. Bleed valve
^ Apply thin coat of lubricant G 052 150 A2 to threads before screwing in
3. Dust cap
4. Guide pins
^ Grease before removing protective cap
5. Protective cap
^ Pull onto brake carrier and guide pin
6. Brake carrier with guide pin and protective cap
^ Supplied as replacement part, assembled with sufficient grease on guide pins
^ If protective caps or guide pins are damaged, install from repair kit. Use grease packet supplied to lubricate the guide pins.
7. Protective seal
^ Pull outer sealing lip onto piston
8. Piston with automatic adjustment
^ Apply thin coat of lubricant G 052 150 A2 to piston before inserting
9. Sealing ring
10. Brake caliper housing with parking brake cable lever