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Old 06-24-2010, 12:34 AM   #1
njdriver04
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04' SG XT
Blk

Default gas pedal vibration

just wondering what are some causes for feeling vibrations through the gas pedal, I replaced the front driver axle which had a torn boot and it seemed to help, didn't know how long the boot was torn because i just picked up the gt, so i went ahead and put in a rebuild axle, it seemed to help,
any other causes for vibrations? besides tire balance? have inspected most of the common wear tear areas.
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Old 06-25-2010, 03:35 AM   #2
that one legacy
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the last time i had vibrations from the accelerator, it ended up being loose lug nuts. but that problem goes from being a rather small one to being a huge one rather quickly, so best take a look ASAP!

other than that, i think that if your rotor is really badly warped, it might possibly cause vibrations, but mostly when braking. i think if your rotor is warped to the point where it vibrates while accelerating, well I hope you've lived a full life!

but i'm thinking tire/wheel balance is your culprit here. if you've already had the tires and wheels balanced, try taking them to a different place. sometimes those calibration machines can be way off, and there's always the possibility of shoddy workmanship by the guy who balanced your wheels.
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Old 06-25-2010, 05:55 PM   #3
njdriver04
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have not checked the tires yet for balance, i will do it myself in my friend's shop
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Old 06-26-2010, 01:21 AM   #4
that one legacy
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if that's not the culprit, one more thing you can look at is your e-brake. if it gets stuck and won't release completely when you put the lever down, it might catch on the drum and cause all sorts of shaking and vibrations. these are more along the lines of shaking and vibrating the entire car though, not really just gas pedal vibrations.

definitely check those tires and wheels as soon as you can though.
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Old 06-27-2010, 03:08 AM   #5
njdriver04
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this would only worsen as the speed increases?
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Old 06-28-2010, 10:19 PM   #6
that one legacy
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the wheels and tires? those are weird because they can be fine all the way up to a certain speed, and then they get all wobbly, and then if you go above that speed, the vibration sometimes goes away.
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Old 06-29-2010, 12:28 AM   #7
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I had some weird vibrations in the steering wheel and pedals after an intercooler pipe shifted slightly and bumped into my brake master cylinder.
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Old 06-29-2010, 11:44 AM   #8
njdriver04
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i am intercoolerless as for now, eventually will swap in a 2.0 turbo or go big with the 2.5
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