audi Workshop Repair Guides

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Oil Check Valves and Spray Nozzle Valve, Component Overview|Page 4792 > < Oil Check Valves and Spray Nozzle Valve, Component Overview
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Oil Spray Jet: Service and Repair
Oil Check Valves and Spray Nozzle Valve, Removing and Installing

Oil check valve and spray nozzle valve, removing and installing

Note:
^

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 - 2 - and - 3 -.

-

Remove high pressure line - 1 - from fuel rail.

-

Remove high pressure line from connections - 4 - and - 5 - on fuel rail. To do this, counterhold at hex head with and open-end wrench and loosen
union nut.

-

Remove high pressure lines.

-

Remove bolts - arrows -.

-

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

-

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

Installing

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

Note:
^

Replace gaskets and O-rings.

Oil Check Valves and Spray Nozzle Valve, Component Overview|Page 4792 > < Oil Check Valves and Spray Nozzle Valve, Component Overview