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Old 01-22-2007, 12:28 PM   #1
carramrod
Scooby Newbie
 
Member#: 135156
Join Date: Dec 2006
Chapter/Region: MWSOC
Location: TEXAS CHAINSAW MASCARA!
Vehicle:
05 sti gone, now
06 mazda 6 w/extra ghey

Default whining at 37mph and 67mph

ok so i made a mistake, i took my car to pep boys to swap winter tires on the stock bbs wheels, as i got a new set of summer tires/wheels.
What i bought were the continental extreme contact (or whatever they're called) from Tire Rack, stock size.

The new guy helping the tire tech was an idiot and was putting the wheels back on the car and was laying into the back passenger wheel with the impact gun. As i see him go at it for about 10sec i start to run out to the bay and then he stops and calls his buddy over. He shanked the wheel lock. So the tire tech told the new guy to go away he'll do the job by himself. So they put mcGuard aftermarket locks on it and ordered the same ones i had from the dealer for me (they paid of course).

On the way home, the car shook at 70mph so i brought the car right back, it seems the guy who f--ed up my locks, did the balancing. They rebalanced all the wheels and i took it back home. Saturday, i started to notice a whining sound at said speeds above, only when giving it gas, my first impression was they over torqued the lugs, so I took em off, and retorqued the lugs down back to 65.7lbs., still making noise.

I took it to pep boys, and they disregarded it and said it doesn't make noise, so i took em for a drive, they then heard it, my suspician is a warped rotor on the wheel where the guy laid in on it with an impact gun. They moved the driver rear wheel to the front and it is still making noise out of that rear wheel well. The assistant manager was nice (as he used to have a 2.5rs), and said he thinks it's the tires, and he said if i'm really worried about it, he'll throw it on the rotor cutting lathe and see if it's warped.

The only thing i can think of to show it's not a warped rotor is if i take out the re070's and put em on the back and see if they make the same noise, if they do then they f-ed up my rotor from pounding the lugs with an impact.
any other suggestions?
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Old 01-22-2007, 05:54 PM   #2
h62962
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Member#: 103183
Join Date: Dec 2005
Default

I've never heard of a warped rotor causing a whining sound. My experience is it causes a pulsing when you step on the brake pedal (I don't profess to be a brake expert though). Since the noise seems to appear under acceleration, I'm not convinced it's tire related, but if it is, my guess would be a tire out of round. Hate to say it, but I think I'd get the dealer involved; PepBoys may have screwed up something else. To all: This is a good example of why you should make sure you use a quality shop for you tire work (heard of penny wise and pound foolish?). The Tire Rack has a database of recommended installers and I'd suggest taking advantage of it. You may find a cheaper price (or maybe not), but believe me it's worth a little more to avoid the kind of problems this poor guy is having.

Last edited by h62962; 01-23-2007 at 07:28 AM.
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Old 01-22-2007, 06:41 PM   #3
DiscoGsus
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Member#: 47646
Join Date: Nov 2003
Chapter/Region: MAIC
Location: NoVa
Vehicle:
0211 RallyWagon
DGM Sedan

Default

There is a rear diff / rear crossmember noise TSB out there. This sounds like it. Its a very harmonic whine sound. My new 06STI has it, on my first oil change I will get it fixed.

They have some "Dampers" they can put on. Basically some weights attached to the rear crossmember so it won't vibrate anymore.

Last edited by DiscoGsus; 01-22-2007 at 07:03 PM.
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