Check Valve, Checking
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2015 Audi S7, 2015 Audi RS 7, 2015 Audi A7 Quattro, 2014 Audi S7, and 2014 Audi RS 7. However, it is still accessible from the selected car via links, so may be relevant.
- Check valve is removed. Refer to CHECK VALVE, REMOVING AND INSTALLING .
NOTE:
The check valve is installed directly in front of the vacuum pump.
Valve must allow air to flow in direction of arrow.
Valve must remain closed in opposite direction.
Observe correct installation position.
The flow direction arrow faces the vacuum pump.