audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Oil Check Valves and Spray Nozzle Valve - Component Overview|Page 2525 > < Oil Check Valves and Spray Nozzle Valve - Component Overview
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Engine Oil Check Valve: Service and Repair
Oil Check Valves and Spray Nozzle Valve, Removing and Installing

Oil check valve and spray nozzle valve, removing and installing

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

Removing

-

Remove intake manifold.

-

Remove bolts - 1, 4, 5, 6, 7 - on high pressure line retaining clamps.

-

Disconnect electrical harness connectors at fuel injectors.

-

Remove high pressure lines - 2 - and - 9 - from connections on fuel rail.

-

Remove high pressure lines - 3 - and - 8 - from connections on fuel rail. To do this, counter hold at hex head with and open-end wrench and loosen
the union nut.

-

Remove high pressure lines.

-

Remove bolts - arrows -.

-

Remove cover - 2 - with crankcase ventilation hose - 1 -.

-

Remove seal.

-

Remove oil check valve - 1 - and spray nozzle valve - 2 -.

Installing

Installation is in reverse order of removal, note the following:

Oil Check Valves and Spray Nozzle Valve - Component Overview|Page 2525 > < Oil Check Valves and Spray Nozzle Valve - Component Overview