Front Brake Caliper Piston, Removing and Installing

Front brake caliper piston, removing and installing

Special tools and equipment





^ 3409 Wedge
^ Piston resetting tool

Removing





- Force piston out of brake caliper housing using compressed air.

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





^ Remove seal using wedge 3409.

Note: When removing ensure that the surface of the cylinder is not damaged.

Installing
- The surface of the piston and seal must only be cleaned with methylated spirits and then dried.
- Thinly coat piston and seal with assembly paste G 052 150 A2 before inserting.
- Insert oil seal in brake caliper housing.





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





- Using wedge 3409, insert the inner sealing lip into the grove in the 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 seal outer sealing lip must slip into the piston groove.