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Thread: Problem With My CDTi

  1. #1
    Regular Member Si-SRI's Avatar
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    Default Problem With My CDTi

    Need some help guys got a diesel fuel leak on the engine and i need to know what the components called its leaking from,

    Its a 150cdti diesel engine,the leak of pipe from the injectors goes over the top of the engine and to a unit thats bolted to the inlet manifold,
    As you look at the engine the units on the top left just above the high pressure pump,its leaking onto the pump housing..
    Then from the bottom of the unit one hose goes to the high pressure pump and another runs out from the left side and i think its the return to the tank,

    I have a leak either from the pipe(return) where it joins the component/unit or on the end of the unit theres a big screw-in type nut with sealing compound on its could be that,

    I need to know what the components called all the above goes into...and lastly has anybody else had this and if so the fix was?

    many thanks.

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    Full Member chrisvectra's Avatar
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    Are you VXR Enough
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    pics would be easier fella
    VXR IS FOR LIFE NOT JUST FOR THRILLS !



  3. #3
    Regular Member Si-SRI's Avatar
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    No probs....found out what it is,

    pressure regulating valve....whatever that does

  4. #4
    Full Member Big Sig's Avatar
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    Quote Originally Posted by Si-SRI View Post
    No probs....found out what it is,

    pressure regulating valve....whatever that does
    The clue is in the title. It regulates the pressure makes sure the pressure stays at a set amount rather than up and down.
    Now I need a turbo to keep up!

  5. #5
    Regular Member Diesel Dude's Avatar
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    Default

    An easy way but a bit messy to find out which pipe is leaking is to clean all the old diesel off, i find brake cleaner is good for that then use some talc/french chalk and lightly dust some about the regulator run the engine and the leak can easily be seen.

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