Checking Non-Return Valve; Checking Non-Return Valve - S6 - Audi A6 2005 Workshop Manual

Audi A6 2005 ➤ , Audi A6 Avant 2005 ➤
Brake system - Edition 04.2019
– Release clip using pliers -1-.
– Carefully lever off brake servo pressure sensor - G294- .
Installing
Installation is carried out in reverse sequence.
13.6

Checking non-return valve

Valve should allow passage of air in direction of arrow.
Valve should remain closed in opposite direction.
Observe correct installation position.
13.7

Checking non-return valve - S6

The non-return valve is fitted directly at the vacuum pump.
Valve should allow passage of air in direction of arrow.
Valve should remain closed in opposite direction.
Observe correct installation position.
190
Rep. gr.47 - Brakes - hydraulics