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Thread: TD5 camshaft plug pushing out - sign of excessive crankcase pressure? Is there a way

  1. 5th July 2017, 04:55 PM #1
    twr7cx
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    Question TD5 camshaft plug pushing out - sign of excessive crankcase pressure? Is there a way

    The plastic camshaft plug on the front of my TD5 is pushing its way out which causes leaking oil. In approximately 40km since I reseated it, it had pushed it's way outwards. It's approximately two years old since being replaced with brand new genuine Land Rover part. Of potential relevance is that I installed a Provent 200 reasonably recently too. Is there a way to test for excessive crank case pressure in the motor?

    In the interim I've ordered a new BS330 viton o-ring to suit.
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  2. 5th July 2017, 04:58 PM #2
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    Pedro_The_Swift
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    wow, 40kays,, just enough to get hot/build pressure..

    good catch btw,,
    "How long since you've visited The Good Oil?"

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  3. 5th July 2017, 05:02 PM #3
    discorevy
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    Just undo the oil filler cap with engine running ,an engine in good condition will have near neutral pressure, how have you installed the provent?
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  4. 5th July 2017, 05:32 PM #4
    twr7cx
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    Quote Originally Posted by discorevy View Post
    how have you installed the provent?
    Pictures in the thread D2a TD5 - my Provent 200 installation - yes, I did have the lines the wrong way around initially but that was rectified quickly.

    I thought that tomorrow I might try to get a 3/4" or 19mm right angle piece so that I can remove the factory PCV valve from the system. I believe that the Provent has its own PCV built into it on the outlet.

    Also thought I might throw some silicone around the plugs o-ring until the new replacement o-rings come in.
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  5. 6th July 2017, 06:02 PM #5
    twr7cx
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    I removed the factory Land Rover PCV and replaced with a brass elbow < ProVent 200 Control Valve - does this make the factory PCV not required? > and replaced the o-ring seal on the camshaft plug with a new BS330 viton one - it's much much higher when refitting it and so far leak free.
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