02-19-2009
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#1
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Join Date: Sep 2005
Location: Minneapolis
Posts: 294
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Vibration starts over 35mph???
I just drove my car for the first time since october, and im getting a vibration that starts at 35mph. Theres no vibration in the steering wheel, i feel it most in the center counsel. It feels like its coming from the rear half of the car. I definetly did not have this problem when i put the car away, and i cant get my car tuned until i figure this out.
My first thought were the tires, but i really am not sure. Any advice is appreciated.
Thanks.
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02-19-2009
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#2
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Kevin
Join Date: Jan 2004
Location: Shoreview
Posts: 3,356
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Re: Vibration starts over 35mph???
Flat spots on tires from sitting...
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Misses the Mitsu Community
Currently on Corvette #4
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02-19-2009
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#3
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Smells like cat poop
Join Date: Feb 2007
Location: maple grove
Drives: an evo's fat korean cousin
Posts: 2,549
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Re: Vibration starts over 35mph???
Thats my guess as well, or the tires need to be balanced.
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02-19-2009
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#4
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Re: Vibration starts over 35mph???
Check air pressure too. May sure rear brakes arent sticking as well, that might cause pulsing.
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02-19-2009
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#5
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is Nashty
Join Date: Oct 2007
Location: Stillwater
Drives: Cyborg from Japan
Posts: 2,080
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Re: Vibration starts over 35mph???
Take the tires off the back and put them on the front. Then see if anything changes. I would bet its flat spots on the tires as well..
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-1990 Mitsubishi Cyborg 4WD-
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02-19-2009
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#6
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Join Date: Sep 2005
Location: Minneapolis
Posts: 294
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Re: Vibration starts over 35mph???
Quote:
Originally Posted by 4g63tcrazy
Take the tires off the back and put them on the front. Then see if anything changes. I would bet its flat spots on the tires as well..
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I was actually gonna do this later today.
I just drove it again, and it comes on hard when its in 4th gear and in vacuum. So this kinda makes me think its not the tires, but im gonna try switchin them around anyway.
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02-19-2009
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#7
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Join Date: Sep 2005
Location: Minneapolis
Posts: 294
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Re: Vibration starts over 35mph???
My jack just went to shit and my little brother has a coupon for a free tire rotation at Tires Plus, but he's out of town til tom afternoon. So im just gonna wait and save myself some messin around.
Ill post the results tom afternoon.
Thanks for the info so far.
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02-19-2009
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#8
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Join Date: Nov 2005
Location: Cottage Grove
Drives: Silver '02 IS300, Blue '06 Suzuki SV1000
Posts: 5,293
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Re: Vibration starts over 35mph???
Possibly the carrier bearings for the driveshaft? But I'd say it's more likely that it's in the tires.
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'02 Lexus IS300
'06 Suzuki SV1000: Back on the road and ripping hard as ever!
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02-19-2009
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#9
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Walls need hugs too
Join Date: Aug 2008
Location: Plymouth
Drives: V10 Touareg, Beater Jetta, Evo IX
Posts: 3,876
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Re: Vibration starts over 35mph???
In vacuum as in full vacuum, or in vacuum as in just not boosting?
If it's full vacuum, you're engine breaking, and it could be due to the weight shift. Just a thought.
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Quote:
Originally Posted by Murlo26
Spaz badger don't give a shit.
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Quote:
Originally Posted by Trogdor
Smart chicks are better. Personally I like a girl to give me her thesis on how to solve the economic crisis while I put it in her ass.
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02-19-2009
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#10
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Join Date: Sep 2005
Location: Minneapolis
Posts: 294
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Re: Vibration starts over 35mph???
Quote:
Originally Posted by cmspaz
In vacuum as in full vacuum, or in vacuum as in just not boosting?
If it's full vacuum, you're engine breaking, and it could be due to the weight shift. Just a thought.
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Vacuum as in my foot is off the gas while my car is in gear, primarily 4th and 5th.
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02-19-2009
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#11
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Walls need hugs too
Join Date: Aug 2008
Location: Plymouth
Drives: V10 Touareg, Beater Jetta, Evo IX
Posts: 3,876
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Re: Vibration starts over 35mph???
Quote:
Originally Posted by LaunchHard
Vacuum as in my foot is off the gas while my car is in gear, primarily 4th and 5th.
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That's when I first noticed my front passenger wheel bearing causing vibrations, but if it's doing it as low as 35, there'd be better signs of a bad bearing, like noise. Doesn't hurt to check anyway.
That said, I'd blame something at the front of your car, since that's where the weight is while it's at its worst.
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Quote:
Originally Posted by Murlo26
Spaz badger don't give a shit.
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Quote:
Originally Posted by Trogdor
Smart chicks are better. Personally I like a girl to give me her thesis on how to solve the economic crisis while I put it in her ass.
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02-19-2009
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#12
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Banned
Join Date: Dec 2003
Location: Boulder, CO
Drives: Conquest
Posts: 5,049
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Re: Vibration starts over 35mph???
if it's shaking so much, why are you driving it at all? My guess is tires, but flatspots don't happen from sitting for a few months, my quest sat for two years and it drove with no shaking or anything.
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02-19-2009
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#13
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Join Date: Sep 2005
Location: Minneapolis
Posts: 294
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Re: Vibration starts over 35mph???
Quote:
Originally Posted by FattyBoomBatty
if it's shaking so much, why are you driving it at all? My guess is tires, but flatspots don't happen from sitting for a few months, my quest sat for two years and it drove with no shaking or anything.
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Im not driving it all over, i just took it around the block to get a feel for the symptoms.
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02-19-2009
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#14
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Join Date: Sep 2008
Location: Minni-snowta
Drives: 07 Eclipse GT
Posts: 290
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Re: Vibration starts over 35mph???
awd or fwd?
Don't overlook wheel bearings too. Pretty much any weight-bearing part of the car could have settled, flattened, stuck, etc, etc over the past 4 months.
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07 Eclipse GTV6 Deep Red Pearl, cosmetic and weight reduction mods in progress, suspension and brakes come in Spring 2009. I want an LSD for the 5 speed auto!!
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02-19-2009
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#15
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Join Date: Sep 2005
Location: Minneapolis
Posts: 294
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Re: Vibration starts over 35mph???
Quote:
Originally Posted by SnoEclipse
awd or fwd?
Don't overlook wheel bearings too. Pretty much any weight-bearing part of the car could have settled, flattened, stuck, etc, etc over the past 4 months.
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Its AWD, and i was considering wheel bearing also, but how do i test those??
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02-19-2009
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#16
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Banned
Join Date: Dec 2003
Location: Boulder, CO
Drives: Conquest
Posts: 5,049
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Re: Vibration starts over 35mph???
Ever heard of tire kickers? lol. Grab the tire and see if it wiggles when it shouldn't.
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02-21-2009
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#17
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Join Date: Feb 2008
Location: Hutch
Drives: Evo VIII and 96' Buick Park Ave
Posts: 2,595
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Re: Vibration starts over 35mph???
I also think it would be flat spots, or something with the brakes sticking or bearing(s).
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