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A/C Noise?

This is a discussion on A/C Noise? within the General Help forums, part of the LSx Technical Help Section category; When i turn my A/C on it whines constantly.If the A/C is off, no noise? I checked the pressure and ...

  1. #1
    Junior Member pilot13blackcat's Avatar
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    Maple Red
    2002 Formula

    A/C Noise?

    When i turn my A/C on it whines constantly.If the A/C is off, no noise? I checked the pressure and tempratue and they were both perfect. I have replaced the belt and checked all the pulley's for noise and it sounds like it is coming from the compressor. The car has only 28k on it.
    Could it be the A/C clutch bearing if the noise is constant when the A/C is turned on? If its not the clutch how do you check the other pullies, by hand?
    I hate to think the compressor is bad with that low of miles?
    Any help would be great- Oklahoma summer is just around the corner!
    Last edited by pilot13blackcat; 04-03-2007 at 05:34 PM. Reason: i cant spell

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    M6 King Hot Black Trans-Am's Avatar
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    09 EclipseGT 75 Chevy 4x4
    2001 Trans-Am 13 F-XT

    I have some sort of issue going on too. I think my alternator is making bad noises. I just ordered some gatorback belts and hope they help.

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    try adding a/c oil in the system

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    Junior Member pilot13blackcat's Avatar
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    I think it could be a bearing?Idler/tensioner? how do you solve that?

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    Junior Member pilot13blackcat's Avatar
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    Ok, i have narrowed it down to the clutch assembly. I replaced the A/c idler pulley still the groaning noise when a/c is on. I think it might be the A/C clutch bearing.
    has anyone here replaced one? I would just replace the compressor but im strapped for cash!

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    M6 King Hot Black Trans-Am's Avatar
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    09 EclipseGT 75 Chevy 4x4
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    I'm sure you could find a used one fairly cheap. There's always someone scraping out their A/C for a few HP. Try a local scrap yard and see if they have a car you can pull one off of.

  7. #7
    Junior Member pilot13blackcat's Avatar
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    Ok, Well i took it up to dealer to fix the bad cat (code P0420). I also had them check the A/C system out.

    They bench tested it and everything checked out, The copressor runs great its just noisy
    I will just use it until it fails i guess im to strapped for cash right now. It still works great just noisy

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