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Thread: 2.4 Tdci on its last leg ?

  1. #11
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    Quote Originally Posted by cafe latte View Post
    It cant be bottom end or you would have lost oil pressure by now and it would be a heavier knock. I would be checking injectors first, I have not worked on a Puma yet but MANY other diesels. If possible disconnect one injector at a time see it the noise goes away. If injectors are fine I would be doing a compression test just to eliminate cracked pistons or dropped valves. If all good ie not injector and compression good it has to be a little end or something deeper in, cant think what else it could be though..
    Chris
    Chris, thanks,

    See if I get a chance to do some tests today

  2. #12
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    Quote Originally Posted by HUE166 View Post
    It's a bit hard to tell by listening to the video. Is it definitely a mechanical knock? Could it be as simple as a loose exhaust manifold both choofing and rattling?
    Thanks HUE166

    Definitely a internal engine noise, some of the rattling heard is the gear stick

  3. #13
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    Easy way to check injectors is to drive the car and just turn ignition off. Or get it high in the rev range and back off. Either way your injectors wont be working. I third a manifold leak.

  4. #14
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    had a bit of a look see this evening,

    injectors leak off test, runs with the comp hooked up

    injectors out

    endoskop showed lovley looking pistons. bores. spray pattern and valves, expected a lot worse with this milage

    Valve cover off

    this could be the answer or at least one of them

    [ame]https://youtu.be/rSjgDeula6g[/ame]

    this little clip shows exhaust valve Nr. 3
    cam lob and follower. hard facing worn off, follower out of round


    nice evening to all of you, thanks for all your inputs

    Richard

  5. #15
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    Thats more common on all types of motors than you think,cam repairs weld them up and regrind them. Pat

  6. #16
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    thanks Pat not wrong,

    i reckon it is all down to servicing and using the right grades of lube

    the owner of a engine and gearbox reckon workshop i know once said

    if vehicle owner would half the miles between services and use the correct grade and quality of oil
    transfer case included

    it would but him out of buisiness

    wish you all a plesant x-mas break

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