Rattle/buzz when depressing clutch at mid-high RPMs
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This is a discussion on Rattle/buzz when depressing clutch at mid-high RPMs within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hi I'm hearing a consistent rattle / buzz noise when depressing clutch to upshift at medium to high RPMs. The ...

  1. #1
    Registered User ZanShin's Avatar
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    Rattle/buzz when depressing clutch at mid-high RPMs

    Hi

    I'm hearing a consistent rattle / buzz noise when depressing clutch to upshift at medium to high RPMs. The noise "seems" to emanate from the lower dash/footwell area, but noises are sometimes tricky. This does not occur when decelerating and downshifting.

    Given past experience with this type of sound, I put the WRX (02 with about 75k miles) up on ramps and checked out the exhaust + heat shields, but didn't find any obvious rattles. I also had a cat break up on me in another car that made some goofy buzzing noises, but this usually happened on deceleration which is not the case here with the WRX.

    Any experience or suggestions for this problem?

    THX!
    Last edited by ZanShin; 05-04-2007 at 03:33 PM. Reason: Update on symptoms

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  3. #2
    Registered User ZanShin's Avatar
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    Update

    5/4/07 symptom update: More specifically, I'm finding that while holding the clutch depressed and revving the engine, I can recreate the rattling at any time. When going down the road (no traffic of course) I can hold in the clutch, rev til it rattles/buzzes, then let off the clutch and go back into gear - as soon as the gears engage the rattle/buzz goes away.

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