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High pitched squeal

This is a discussion on High pitched squeal within the General Help forums, part of the LSx Technical Help Section category; So my engine has a high pitched squeal while running. It sounds like it is coming from around the harmonic ...

  1. #1
    Junior Member
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    2000 Pontiac Firehawk

    High pitched squeal

    So my engine has a high pitched squeal while running. It sounds like it is coming from around the harmonic balancer. What should be my first course of action, replace the belt?

  2. #2
    Senior Member Orcus79's Avatar
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    black
    2002 WS6

    how about a better discription. It can also be the air pump.

  3. #3
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    2000 Pontiac Firehawk

    It really sounds like a squealing belt. Sounds to be coming from around the balancer but its hard to tell, i don't think it's the pump

  4. #4
    Senior Member Orcus79's Avatar
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    black
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    I don't know then, a belt is cheap, there are two, one for the Alt,and a smaller one for the AC

  5. #5
    515 HP TrickFlow Package BADASS2000SS's Avatar
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    440 RWHP / 410 TQ
    2000 SLP CAMARO SS

    Depending on your mileage, a belt change is probably need anyways, so do that and if it still squeals, at least you have limited it down a bit!
    2000 SLP Camaro SS M6 * 515 HP TrickFlow Package * FAST 92 MM Intake * Nick Williams 92 MM TB * Volant CAI * Granatelli MAF * Full Custom True Dual Exhaust with X-Pipe * Tuned by Breathless Performance

  6. #6
    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Alright. There are two belts explained above. Two Idlers and Two tensioners. Remove the belt via a 15mm wrench. Spin ALL of the pulleys till you find the sound. If you can find it. Replace the belt. Should cure it.

  7. #7
    Your dealership guy konigandy6's Avatar
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    2008 Corvette Z06

    Possibly AC compressor? See if the noise goes away if you put your heat selector on defrost. If it does, it is the AC clutch. Mine is doing that right now.

  8. #8
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    2002

    is is only at idle or all the time?

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