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Thread: Noisy Aux Belt-any ideas?

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    Default Noisy Aux Belt-any ideas?

    Although I've put this post on before, a year later I've still got the same problem. Any suggestions gratefully recieved. I've got a 2.2 dti, I've had the crankshaft pulley, tensioner and belt changed but I've got a nasty squealing sound at idle until the engine warms up, then it goes. Putting more strain on the engine at idle (putting it in drive or putting on the air con) makes it worse and it's driving me nuts. I'm just hoping I don't have to take it to a main dealer. Any ideas?

    Thanks

    Phil

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    VIP-Member GSiFan's Avatar
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    Vehicle : Vectra GSi 3.2 V6

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    Air conditioning pump?

    Paul
    2003 Vauxhall Vectra GSi 3.2 V6

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    Regular Member duncmill's Avatar
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    Alternator clutch pulley ?

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    Quote Originally Posted by GSiFan View Post
    Air conditioning pump?

    Paul
    Would that improve when it gets hot?

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    Quote Originally Posted by duncmill View Post
    Alternator clutch pulley ?
    That has been suggested, any idea how I test it?

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    Regular Member duncmill's Avatar
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    Quote Originally Posted by Croxley View Post
    That has been suggested, any idea how I test it?
    You need to take the belt off and see if the pulley spins independently from the alternator

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    Regular Member nikroc's Avatar
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    How long ago did you change the belt??..how about spraying wd40 on the belt,if it quietens it down its your belt..if not try spraying other suspects individually as a process of elemination..

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    Quote Originally Posted by nikroc View Post
    How long ago did you change the belt??..how about spraying wd40 on the belt,if it quietens it down its your belt..if not try spraying other suspects individually as a process of elemination..
    The belt (genuine part) was replaced less than 9 months ago. I've tried WD40 all over the place but it doesn't make any difference, I suppose that suggests it's mechanical rather than a problem with the belt.

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    Quote Originally Posted by duncmill View Post
    You need to take the belt off and see if the pulley spins independently from the alternator
    Ta, I think that's the next step.

  10. #10
    VIP-Member GSiFan's Avatar
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    Quote Originally Posted by Croxley View Post
    Would that improve when it gets hot?
    Sorry. I don't know.

    Paul
    2003 Vauxhall Vectra GSi 3.2 V6

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