Rear Brake Caliper Piston, C38 an CII 41

Rear Brake Caliper Piston, C38 an CII 41

Special tools, testers and auxiliary items required

• Resetting & Extracting Tool (T10165)

• Trim Removal Wedge (3409)

Removing

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

Insert the resetting & extracting tool (T10165) so the collar makes contact on the piston.






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

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






Installing

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

- Thinly coat the piston and seal using lithium grease (G 052 150 A2) before installing.

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






- Insert the inner sealing lip in the cylinder groove using the trim removal wedge (3409).

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






- Install the piston by turning the thumb wheel on the resetting & extracting tool (T10165) toward the right.

- Use the component part of T10165 tool (T10165/1) for assistance when installing.






• Insert the resetting & extracting tool (T10165) so the collar makes contact on the brake caliper.

• The automatic adjustment in the brake caliper is destroyed when the piston is moved using the resetting & extracting tool (T10165) or the brake pedal is pressed.