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AC clutch bearing bad?

Discussion in '1st Gen. Tacomas (1995-2004)' started by rysully, May 29, 2012.

  1. May 29, 2012 at 8:47 PM
    #1
    rysully

    rysully [OP] Active Member

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    Hey everyone. I am new to this site and I just bought a 2004 tacoma a month ago. Two weeks ago my ac from what I think clutch bearing started making a whistling sound every time my as kicked in. When i turn my ac off the noise stops. Has anyone else experienced this? I'm pretty sure it's the bearing but I went to nappa today and the guy told me I would need a whole new compressor. What do you guys think? Thanks alot.
     
  2. May 29, 2012 at 8:51 PM
    #2
    Madjik_Man

    Madjik_Man The Rembrandt of Rattle Can

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    I don't know much, and I'm not assuming you're so far out of touch as this question:

    but are you sure it's not just your blower motor chirping?
     
  3. May 29, 2012 at 8:53 PM
    #3
    joes06tacoma

    joes06tacoma Well-Known Member

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    It could also be an idler pulley squeaking. There is more load on them when the AC kicks on. I don't really hear of AC compressors getting loud. Usually they just go out and that's it.
     
  4. May 29, 2012 at 9:17 PM
    #4
    rysully

    rysully [OP] Active Member

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    I dont think its the idler pulley, I had a couple friends look at it and they all think its coming from the ac to. I looked at the attached picture and think its something in there but not sure.

    New Picture.jpg
     
  5. Jun 1, 2012 at 12:51 PM
    #5
    pigger

    pigger Well-Known Member

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    Mine started doing that last year. I sprayed a bunch (really quite a bit) of silicone spray at the back of the compressor pulley while the engine was running & it went away for a month or two, but it has returned. When the A/C clutch engages, it's as though the engine almost stops for a second & the truck slows momentarily. It also makes a squealing sound (not loud, but present) all the time when the A/C is engaged.

    I'm thinking that it probably needs a new compressor clutch. :( In the meantime I'll keep spraying lube in there in hopes that it keeps working for a while.
     
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