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need help identifying this sound

This is a discussion on need help identifying this sound within the General Help forums, part of the LSx Technical Help Section category; Recently, my car has been making a sound (sounds like when the brake pads squeal or someone's nails scratching a ...

  1. #1
    Junior Member
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    Jun 2007
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    Columbia, SC
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    Black
    2000 Trans Am

    need help identifying this sound

    Recently, my car has been making a sound (sounds like when the brake pads squeal or someone's nails scratching a chalkboard) whenever I'm driving. The sound come and goes and is prominent when i'm braking or turning. I only hear the sound when the car is in motion and not idling. Anyone have any ideas what this might be? Thanks

  2. #2
    Veteran 0rion's Avatar
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    Aug 2005
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    ohio
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    98 Formula
    06 duramax

    how many miles on your current pads? Your description makes it sound like you might just need new pads. There's a little tab on the pad itself that touches the rotor when the pads wear to a certain point. When this happens it makes a high pitched squeal and usually is intermittent at first.

  3. #3
    Just another Joe Eagle's Avatar
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    Mar 2007
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    NW Chitown
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    Pewter
    2002 WS6

    I'd guess your pads are going too. Put the car up on jack stands, pull the front wheels off and check how much of the friction material is left on the pad surface (between the metal backing plate and the rotor itself). Make sure you check both the inside and outside pad. Also, check for uneven wear - this will often cause all sorts of strange noises.

    -Eagle

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