Front Brake Caliper Piston, Removing and Installing

Front Brake Caliper Piston, Removing And Installing
Special Tools And Equipment Required





^ 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 piston seal using wedge 3409.

Note:
^ When removing piston seal make sure that the cylinder bore is not damaged.

Installing
- Lubricate piston, piston seal and cylinder bore lightly with assembly lubricant G 052 150 A2
- Install new piston seal in caliper.





- Place protective seal with outer sealing lip on piston.





- Hold piston in front of caliper and insert inner sealing lip into groove in cylinder using wedge 3409.





- Press piston into brake caliper housing using piston resetting tool.
^ The protective seal outer sealing lip must slip into the piston groove.