S4 V8-4.2L (BHF) (2004)
Oil Spray Jet: Service and Repair
Oil Check Valves and Spray Jet Valve, Removing and Installing
Oil check valves and spray jet valve, removing and installing
Note: If irregular valve noise occurs repeatedly during short journeys and disappears after extended driving, the oil check valves must be replaced.
Removing
-
Remove intake manifold
-
Remove oil filter housing
-
Remove bolt - 1 - and remove right rear knock sensor.
-
Remove hose of crankshaft housing ventilation - arrow -.
-
Unscrew cover - 2 - for oil check valves.
-
Remove seal.
-
Remove oil check valves - 1 - and - 3 -.
-
Remove spray jet valve - 2 -.
Installing
Installation is performed in reverse order of removal, Note the following:
Note:
^
Replace seals and O-rings.
^
Secure all hose connections using hose clamps appropriate for the model type