Audi Workshop Service and Repair Manuals

Engine Oil Check Valve: Locations

Oil check valves and spray nozzle valve - component overview

Note:
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If irregular valve noise occurs repeatedly during short journeys and disappears after extended driving, the oil check valves must be replaced.

1 - O-ring

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Replace

2 - Oil check valve

3 - Ventilation pipe

4 - 10 Nm

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Insert using locking compound.

5 - 10 Nm

6 - Hose

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To pressure regulating valve for crankshaft housing ventilation

7 - Cover

8 - Gasket

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Replace

9 - Spray nozzle valve