Rear Brake Caliper Piston, Bosch

Rear Brake Caliper Piston, Bosch

Special tools, testers and auxiliary items required

• Resetting & Extracting Tool (T10165)

• Trim Removal Wedge (3409)

Removing


Adjust the brake piston is permitted only with the resetting and extracting tool (T10165).

- Remove the piston from the brake caliper by turning the thumb wheel on the resetting & extracting tool (T10165) toward the left.

Install the resetting and extracting tool (T10165) so that the collar touches the piston.






• For pistons that are difficult to move, an open end wrench (13 mm) can be applied at the appropriate wrench surface - arrow A -.

- Remove the seal using the trim removal wedge (3409).






Installing

Install in the reverse order of removal. Note the following:

- The surface of the piston and seal must only be cleaned with mineral spirits and then dried.

- Coat the piston and seal lightly with lithium grease (G 052 150 A2) before installing.

- Place the cap with the outer sealing lip on the piston.






- Using the trim removal wedge (3409) , insert the inner sealing lip into the cylinder groove.






Hold the piston in front of the brake caliper for this procedure.

- Turn the thumb wheel on the resetting and extracting tool (T10165) to the right and install the piston. Be careful not to damage the cap.






- Use the component part of T10165 tool (T10165/1) to help you bolt it on.

• Install the resetting and extracting tool (T10165) so that the collar on the component part of T10165 tool (T10165/1) is touching.