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Thread: engine noise

  1. 4th May 2009, 03:41 PM #1
    incisor's Avatar
    incisor
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    engine noise

    i have a noise.

    it appears it is in my engine and is driving me nuts

    i attempted to get blknight.aus to hear it but it only did it very very lightly so understandably a diagnosis wasnt forth coming..

    is a 4bd1-t

    the noise is very metallic and i would describe it as a hammering or clattering type of noise

    it is very loud

    i can induce it at will now unfortunately

    prerequisite is the engine cooling system temp has to be about 80c to trigger it

    easiest way to induce it is powering up a hill with a lot of loud pedal in use.

    BUT it doesnt do it TILL i push the clutch in to drop a gear when the need arises then it will do it incessantly till after the load is removed from the engine for approx 30 - 50 seconds.

    does it when engine braking down hill as well.

    does it whether the truck is loaded or empty

    has me totally stuffed... and more than a litle ****ed off....

    HELP!

    any clues appreciated!
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  2. 4th May 2009, 04:18 PM #2
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    thrust washers on the crank??
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    detriot locker,lsd front,C.D.L kit,chipped and bigger intercooler,2" lift,rock sliders, lsd in transfer case, modified auto trans.

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  3. 4th May 2009, 04:50 PM #3
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    Question Vibration?

    Could it be front propshaft loose bolts/uni joint/splines stuffed? Temp wouldn't be an issue though. Loosing any coolant?

    Dave
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  4. 4th May 2009, 05:08 PM #4
    Davy
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    Sticky exhaust valve, broken valve spring or a combination of both?
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  5. 4th May 2009, 05:30 PM #5
    porgey Guest

    Noise

    Clutch release bearing,or Spiggot bearing.
    Cheers George
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  6. 4th May 2009, 05:42 PM #6
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    Quote Originally Posted by stevo View Post
    thrust washers on the crank??
    Definately get under and check the crank end float Dave. The actuation of the clutch and the downhill symptoms seems connected. The timing gears at the front of the engine DO NOT like to be moved axially

    JC
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  7. 4th May 2009, 07:54 PM #7
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    his valve springs are all ok, as is his rocker gear (now that its been adjusted)

    I should have thought about the crank end float but for the life of me I cant work out why that would be temperature related and why it would be worse on over run.
    Dave

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  8. 4th May 2009, 08:43 PM #8
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    loose bearing cap......?


    does that engine have liners.......?


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  9. 4th May 2009, 09:20 PM #9
    bblaze
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    not a gudguen pin bearing, I had ome go in a old 202 holden engine with simular syptems
    cheers
    blaze
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  10. 5th May 2009, 05:29 AM #10
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    thats what I was thinking, but its not repeatable enough.
    Dave

    "In a Landrover the other vehicle is your crumple zone."

    For spelling call Rogets, for mechanicing call me.

    Fozzy, 2.25D SIII Ex DCA Ute
    Tdi autoManual d1 (gave it to the Mupion)
    Archaeoptersix 1990 6x6 dual cab(This things staying)


    If you've benefited from one or more of my posts please remember, your taxes paid for my skill sets, I'm just trying to make sure you get your monies worth.
    If you think you're in front on the deal, pay it forwards.
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