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Thread: Oil leak at inlet manifold.

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    Default Oil leak at inlet manifold.

    Just did the weekly checks oil, water etc. and discovered that the top of the inlet manifold on my 2.2 petrol is covered in oil. Anyone know what it could be and should I be concerned.

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    Regular Member Gsi3.2's Avatar
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    cam cover gasket??...

    got any photo's??? then we could get a better look..

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    Any feedback on this problem Joe?

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    no not really. I took the car to dealer and was told that the manifold had worked itself loose and that they had tightened it, they told me to let them know if it happens again. Of course it has happened again but most notibly the car feels under powered now I don't know if this is related. I was also told that the oil was being sucked up from the sump I don't know if this is true but was told this was the reason for the lose of power.

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    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

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    Oil SHOULD be sucked up from the sump, by the oil pump and then travels around the oilways, galleries and moving surfaces of the engine.
    Without it, the engine will not last more than a few minutes probably.

    Think they are not telling you the whole story. What is sucking up this oil (that shouldn't be anyway)

    Where exactly is this oil on the top of the engine??? Any pics??

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    Regular Member Ian S100's Avatar
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    Surely there aren't any oil galleries going into the inlet manifold so why would a loose inlet cause an oil leak?

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    Regular Member Ste's Avatar
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    Vehicle : Jaguar XF 3.0D V6

    Trim : Black

    Engine : 3.0D V6

    Year : 0000

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    Exactly.

    Probably not the inlet manifold that is leaking oil, but rather further up the engine, like Mark eludes to earlier.

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    On a Sabbatical VauxVeteran's Avatar
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    It sounds like the throttle body is full of gunk tbh, it's an easy job, undo the torq screws, disconnect the pipes and pull off, carb cleaner the butterfly and venturi, *flap and the inside of the body* and then leave it to soak in some more cleaner ensuring you cover the breather pipe connector so it breaks down the sludge inside that as well, if you are careful you wont need a new gasket. hth.

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    Regular Member denzo's Avatar
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    What about if you have a diesel ... CDTI? does this have a throttle body, and what is the best way to clean this? Italian Tune?

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    Quote Originally Posted by JoeMc View Post
    Just did the weekly checks oil, water etc. and discovered that the top of the inlet manifold on my 2.2 petrol is covered in oil. Anyone know what it could be and should I be concerned.
    I had a leak where you have described, I had oil accumulating at the corner of the engine just below the filler cap. at first I thought it was careless top ups but as I have not had to do any since owning the car soon realised it was from the cam cover gasket. To investigate further I cleaned it all off with carb cleaner and guess what, it stopped leaking. There is probably something in the carb cleaner that causes the rubber gasket to swell and stop the leakage. It could be worth giving it a go.

    P.S. I did give the car a 500 mile motorway speed run soon after it stopped leaking and it is still clean.

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