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Thread: Intermittent squeak

  1. 21st February 2011, 01:01 PM #1
    Sully Guest

    Intermittent squeak

    Hi all,

    I had a new and exciting squeak surface on the weekend. It's quite loud.

    I know that my idler pulley is due for replacement as this occasionally squeaks, but the idler pulley squeaks in time with the engine revolutions. This new squeak is not dependent on engine revs.

    I narrowed it down to appearing only when the air conditioner is switched on. It starts off as a low and slow squeak, get a little louder and a little faster and then cuts off, so it leads me to believe it's something to do with the a/c compressor?

    The strange thing is that it doesn't do it all the time either.

    I've not opened the bonnet and tried to replicate it at idle yet as I haven't had time, but wanted to get your input first.

    Cheers,
    Chris
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  2. 23rd February 2011, 08:01 AM #2
    Sully Guest
    Anyone?
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  3. 23rd February 2011, 08:17 AM #3
    bee utey's Avatar
    bee utey
    bee utey is offline AT REST
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    Condenser fan?
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  4. 23rd February 2011, 09:13 AM #4
    feral's Avatar
    feral
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    A/C clutch bearing.

    There's a You Tube on it floating around here, very easy to change.

    Maybe its in the Good Oil
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  5. 23rd February 2011, 09:20 AM #5
    Discobaker Guest
    They all turn together as part of the serpentine belt configuration, I did this with mine last night cause it sounds like I've got a supercharger
    Draw a diagram of the belt config,Take the belt off, make sure it's clear, hit the key for a couple of seconds & see if the noise disappears, if it does, it's not the actual motor, it'll be either a pulley, alternator, pump etc, even try some dry lube, it may just be that when air con is on, the motor is working slightly harder creating the sound from the belt itself?
    My 2c worth
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  6. 23rd February 2011, 12:26 PM #6
    Sully Guest
    Thanks everyone.

    Quote Originally Posted by feral View Post
    A/C clutch bearing.

    There's a You Tube on it floating around here, very easy to change.

    Maybe its in the Good Oil
    Oooh... Now that's a video I would like to track down. Any idea on what the thread was called? Search is proving a little dificult in tracking it down.
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  7. 23rd February 2011, 10:40 PM #7
    feral's Avatar
    feral
    feral is offline Wizard
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    Dutchviking is da man...

    Here is the tute on changing the A/C bearing.


    http://www.aulro.com/afvb/discovery-...n-bearing.html

    Big thanks to Dutchviking as I will soon be replacing the fan bearing.
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  8. 24th February 2011, 06:41 AM #8
    Sully Guest
    Brilliant!
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