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Thread: Viscous Fan Coupling Issues

  1. 5th September 2010, 05:37 PM #1
    Jock The Rock
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    Viscous Fan Coupling Issues

    Say that you notice you engine is running a smidgeon hotter than normal

    You suspect it's the viscous coupling, so with the engine at operating temperature; you turn it off. Pop the bonnet to have a squizzy at the viscous coupling, and it's easy to turn straight after its been turned off and at operating temps

    From what I remember at TAFE it should be hard to turrn once the engine is shut off and up to temperature

    Is it buggered?

    Don't say yes, it could be the last straw before I sell the bloody thing
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  2. 5th September 2010, 05:46 PM #2
    Blknight.aus's Avatar
    Blknight.aus
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    I'll pay you 2 grand, dad will come and pick it up..

    (see I didnt say it, I just implied it)

    a better test is to try and stop it with a stiff bristled brush or a piece of hard cardboard.
    Dave

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  3. 5th September 2010, 05:54 PM #3
    Jock The Rock
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    Quote Originally Posted by Blknight.aus View Post
    I'll pay you 2 grand, dad will come and pick it up..

    (see I didnt say it, I just implied it)

    a better test is to try and stop it with a stiff bristled brush or a piece of hard cardboard.
    2 grand you can have it

    Should I be able to stop it easily with a brush?

    Edit: Just did the brush test, now it's had a chance to cool down a little (head at 77 degrees rather that 90) the coulping felt a bit notchy but after a couple of minutes run time I could stop it with the broom

    When are you picking it up?
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  4. 5th September 2010, 06:04 PM #4
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    Blknight.aus
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    when you've fixed the coupling, dont want my new toy overheating on the way home now do I?

    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.
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  5. 5th September 2010, 06:06 PM #5
    Jock The Rock
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    Quote Originally Posted by Blknight.aus View Post
    when you've fixed the coupling, dont want my new toy overheating on the way home now do I?

    That'll up the price a wee bit though
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  6. 5th September 2010, 06:10 PM #6
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    bee utey
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    Yer viscous should turn easily after the engine has been run for more than a few minutes. Should be stiff when cold and stiff again if the radiator is over about 90C. At normal operating temp a viscous should just freewheel with a little drag because it's there to save fuel while cruising. The bimetallic coil spring on the front will stiffen the coupling only after the rad drops lots of heat on it. I suggest you check your temp gauge earth path first.
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  7. 10th September 2010, 07:30 AM #7
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    blackbuttdisco
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    I just bought a new one from Paddock in UK. $160 including postage.
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