Teves/ATE Front Brake Caliper Piston, Removing and Installing

Special tools and equipment
- 3409 wedge

Removing





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

WARNING:
- Risk of accident! Apply pressure gradually. Guard against the sudden release of the piston.
- Place a wooden block into the recess of the caliper housing to catch the piston so it is not damaged.
- Always wear safety glasses when carrying out this step.

- Using 3409 wedge, remove seal.

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

Installing





- Place protective seal with outer sealing lip on piston.
- Clean surfaces of piston and seal using methylated spirits only, then dry.
- Apply thin coat of assembly paste, part number G 052 150 A2 to piston and seal before installing.

CAUTION: Part numbers are listed here for reference only. Always check with your Parts supplier for the latest information.





- Using 3409 wedge, insert inner sealing lip into cylinder groove.

Note: Hold the piston in front of the caliper housing for this procedure.





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

Note: The outer sealing lip of the protective seal will then locate in the piston groove.