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Squeak in rear end over bumps

This is a discussion on Squeak in rear end over bumps within the Brakes/Suspension/Chassis forums, part of the W Body Tech category; I had a machanic check it out and he saw nothing wrong to the naked eye so I'm wondering wtf...

  1. #1
    SE Level Member 2007GrandPrixGT's Avatar
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    Default Squeak in rear end over bumps

    I had a machanic check it out and he saw nothing wrong to the naked eye so I'm wondering wtf

  2. #2
    GTP Level Member KeithGTP03's Avatar
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    Default Re: Squeak in rear end over bumps

    Not sure about the 04+'s, but mine ended up being my driver side muffler hitting my hanger. Does yours only do this after its warmed up?

    03 GTP...Its got pulleys and stuff.

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    GXP Level Member boosting98's Avatar
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    Default Re: Squeak in rear end over bumps

    Have this same problem as well. Maybe it is truly time for a new cat back.

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    GTP Level Member KeithGTP03's Avatar
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    Default Re: Squeak in rear end over bumps

    This is where mine was hitting: Driver side muffler, final hanger. That blue part is a piece of silicone vac line that I put on the tip of the hanger




    03 GTP...Its got pulleys and stuff.

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