Removing
– Force piston out of brake caliper housing using compressed
air.
Note
Place a piece of wood in the recess to prevent damaging the pis‐
ton.
Removal tool - T 40338-
– Carefully lever protective cap -1- and seal out of brake caliper
with gentle movements using removal tool - T 40338- -2-; take
care not to damage groove for protective cap in brake caliper.
– Take out seal.
Note
When removing ensure that the bore of the cylinder is not dam‐
aged.
Installing
– Insert seal.
– To do so, use removal wedge - 3409- .
– Place outer sealing lip of protective cap on piston.
– The surface of the piston and seal should be cleaned using
only methylated spirits and then dried.
– Apply a thin coat of assembly paste - G 052 150 A2- to piston
and seal before inserting.
Audi A6 2005 ➤ , Audi A6 Avant 2005 ➤
Brake system - Edition 04.2019
132 Rep. gr.47 - Brakes - hydraulics
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