Audi A8 2003 Workshop Manual page 100

Audi A8 2003 ➤
Brake system - Edition 03.2013
– Remove seal using removal wedge - 3409- .
When removing ensure that the bore of the cylinder is not dam‐
aged.
Installing
– The surface of the piston and seal should be cleaned using
only methylated spirits and then dried.
– Apply a thin coat of lithium grease - G 052 150 A2- to piston
and seal before inserting.
– Insert the seal into the brake caliper housing.
– Fit protective cap onto piston.
– Push piston into caliper housing, exerting even pressure.
The protective cap must fit securely in the groove; if necessary,
apply additional pressure with piston resetting appliance.
Note
Brake line connection at brake pipe: 12 Nm
♦
Brake pipe in brake caliper: 19 Nm
♦
Caution
Before driving vehicle for the first time, make sure function of
brakes is OK.
94
Rep. gr.47 - Brakes - hydraulics
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