Diesel Data: Automotive Repair

Rear Brake Caliper Assembly Overview






Rear Brake Caliper Assembly Overview

Install complete repair kit when servicing.

New brake calipers are filled with brake fluid and are pre-bled.

Apply a thin coat of assembly paste (G 052 150 A2 ) to brake cylinders, pistons and seals.

In case of repair, brake calipers must always be pre-bled before being installed into vehicle (without brake pads) => [ Brake Caliper, Pre-Bleeding ] Brake Caliper Piston.





1 Hex bolt, self-locking, 35 Nm

Replace

When loosening and tightening, counter-hold on guide pin

2 Bleeder valve

Lightly grease thread with assembly paste (G 052 150 A2) before screwing in

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 pins and protective cap

Supplied as pre-assembled replacement part with sufficient grease on guide pins

If protective caps or guide pins are damaged, install repair kit. Use grease packet supplied to lubricate guide pins

7 Protective seal

Pull onto piston with outer sealing lip

8 Piston with automatic adjustment

Removing and installing => [ Brake Caliper Piston ] Brake Caliper Piston.

Apply thin coat of assembly paste (G 052 150 A2 ) on piston

9 Seal

Removing and installing => [ Brake Caliper Piston ] Brake Caliper Piston.

10 Brake caliper housing with parking brake cable lever

Removing and installing => [ Brake Caliper ] Brake Caliper.

Replace if leaking at parking brake cable lever=> [ Pressure Leak Test ] Pressure Leak Test.

Pre-bleed caliper housing after repairing => [ Brake Caliper, Pre-Bleeding ] Brake Caliper Piston.