Rear Brake Caliper

Rear Brake Caliper, Servicing

Note:
^ When repairing install all parts supplied in repair kit.
^ New brake calipers are filled with brake fluid and pre-bled.
^ Apply a thin coat of assembly lubricant, Part No. G 052 150 A2, to brake cylinders, pistons and seals.
^ When repairing, it is essential to appropriately pre-bleed the brake calipers (without brake pads) before installation in the vehicle. Refer to Rear brake caliper piston, removing and installing.

1. Self-locking hex bolt, 35 Nm (26 ft. lbs.)
^ Always replace
^ When loosening and tightening counter-hold on guide pin
2. Bleeder valve
^ Apply a thin coat of assembly lubricant G 052 150 A2 to threads before installing
3. Dust cap
4. Guide pins
^ Grease before pulling on protective cap
5. Protective cap
^ Pull onto brake carrier and guide pin
6. Brake carrier with guide pin and protective cap
^ Replacement part is assembled with sufficient grease on guide pins
^ If protective caps or guide pins are damaged, install 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
^ Removing and installing
^ Apply thin coat of assembly lubricant G 052 150 A2 to piston before inserting
9. Sealing ring
^ Removing and installing
10. Brake caliper housing with parking brake cable lever
^ If a leak exists at the parking brake cable lever replace brake caliper housing
^ After repairing, pre-bleed caliper housing