Front Caliper Piston C54, Removing and Installing

Front caliper piston, removing and installing

Special tools, testers and auxiliary items required

Trim removal wedge 3409:

Piston resetting tool T10145:

Removing





- Use compressed air to force piston out of brake caliper housing.

Note: Place a piece of wood in the recess to prevent damaging the piston.





- Remove seal using trim removal wedge 3409.

Note: When removing, make sure that the surface of the cylinder is not damaged.

Installing
- Cleaned the surface of the piston and seal with methylated spirits and then dried.
- Apply a thin coat of lithium grease G 052 150 A2 to piston and seal before inserting.





- Place protective seal with outer sealing lip on piston.





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

Note: When doing this hold piston in front of caliper housing.





- Press piston into brake caliper housing using piston resetting tool.

Note: The protective cap outer sealing lip will then lock in the groove on the piston.