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Old 08-18-2014, 02:06 PM   #51
rymaggi
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Guess it's a good excuse to change out some bushings. Now will the rear cupped tires even out being on the rear? Or are these tires just fubar'd.




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Old 08-23-2014, 05:02 PM   #52
VladiWrX
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except all your bushings are less than a year old.
aren't you running the tic/whiteline basically everything on the suspension?
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Old 08-23-2014, 05:04 PM   #53
rymaggi
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Yes pretty much.


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Old 10-03-2014, 09:46 AM   #54
Rex_BoostNY
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Did you ever find out what the problem was? I'm having literally the same exact problem.
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Old 10-03-2014, 10:22 AM   #55
fuzzyk
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Cupping can definitely cause this issue. I had my car aligned in the early Spring when I switched back to my summer tires. However, my tires still got cupped because my alignment was again thrown off from the post winter apocalypse roads here in Indiana and the city being so slow to fill potholes. The alignment issue seemed mild and by the time I got the alignment corrected the damage was done. I have had balance, alignment, and bushings checked and everything is good. However, I get plenty of vibration at interstate speeds, especially after going through a large sweeper and heating up one of the shoulders. I could have the tires shaved to correct but I am past half life so will just live with it. It can be very annoying at times but tends to smooth out somewhat as the temp across the tires changes.


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Old 10-03-2014, 01:29 PM   #56
rymaggi
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Yea the front tires had cupped.

I rotated them to the rear and vibration went away about 98.9%.

Who does shaving? I should have more than 50% left in mine.


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Old 10-03-2014, 01:44 PM   #57
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TireRack shaves new tires for a small fee.
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Old 10-03-2014, 01:59 PM   #58
fuzzyk
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Sometimes random tire shops have tire shavers.


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Old 10-09-2014, 07:47 AM   #59
fuzzyk
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Default Steering wheel vibration highway

A update on my vibration...

I rotated the tires front to rear and the vibration is completely gone. So as Rymaggi mentioned, cupped tires can cause massive vibration which can come and go on the fronts, but be completely imperceptible on the rear of the car.


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Old 01-12-2016, 08:10 PM   #60
javi_evm
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Exclamation reviving from the death!

Alright, I know this is old but I can't post anything because I'm a noob to this site. I don't see anybody getting this exact problem so I figured I ask on this post. I have a 2002 WRX Wagon, after a week after I got it I started noticing this rattle sound coming from the front passenger side wheel, I also felt it on the steering wheel, didn't really bothered at the time, the wagon came with a set of coilovers that were shot, I replaced them with a normal set up of struts and springs that were pretty much new. After I installed them, I went for a ride to test them and it felt amazing compared to the stiff bouncy mess I had before, once i got up to about 40 mph the car started rattling, vibrating bad and I'm guessing there had to be some wobbling going on from the same wheel I was hearing and feeling things before I installed the new suspension.

I've checked wheel bearing and tie rods and both seem fine, rotates smoothly, I shook the tire and all. I've checked control arm ball joint and it seems and feels fine. I checked the axle and it also looks, feels and rotates just fine. I took some video under the car while driving and I see the wheel wobbling a lot but don't see anything out of the ordinary. The only other thing I've done is installed a set of rotors and pads but that was way before I did the suspension and I was already hearing and feeling the sound/vibration before doing the rotors and pads.

I should note that it is not a constant thing, it only happens when I turn the wheel to the right slightly and then it goes away when I turn the wheel even more. It doesnt do it when Im going straight. Only when I'm on that "sweet spot".

Im going crazy here and I need yeezus.
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Old 03-29-2016, 02:31 PM   #61
Qbinb
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Default Can't figure out what is causing this vibration.

Quote:
Originally Posted by rymaggi View Post
Yea the front tires had cupped.

I rotated them to the rear and vibration went away about 98.9%.

Who does shaving? I should have more than 50% left in mine.


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I am now on my 3rd set of tires and have 2 sets of rims including the factory BBS's. no matter what set up, the entire car, but mostly through the steering wheel and gas pedal, vibrates pretty bad. Sometimes after i've been up to speed the vibration lessons, but never fully goes away. i just bought new Direzzas last week and had them balanced and the car alligned and still have the vibration. My 2013 sti is at the dealership right now and a service tech just called and said they cant find a problem. guess i have to leave work early and take a tech on a drive to point out the obvious vibration. i've seen many other threads on many other sites where people are experiencing the same problem, but this is the first thread where someone resolved the issue. I just dont understand why this happens on all 3 sets of tires.

Last edited by Qbinb; 03-29-2016 at 02:32 PM. Reason: added info
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Old 04-09-2016, 08:53 AM   #62
n7slc
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Add me to that list. My '08 WRX just developed this issue a couple of weeks ago. I did find a bad wheel bearing (really bad!) and replaced it thinking I'd found the culprit. The steering wheel will intermittently shake violently at speed. It'll be nice and smooth and then you hit a small bump in the road or take a fast sweeper and it sets it off. What I've done so far:

Replaced bad wheel bearing.
Alignment.
Balanced and rotated tires.
Had a shop check all suspension and steering components, nothing found.
Since the tires are more than 50% worn, I'm going to replace them today and will report back.

I read this entire thread and it sounds like it's possible for the steering rack/pump to cause this. My steering rack does have a slight leak which developed recently and seems to coincide with the vibration.

Since my teenage daughter is now driving this car, I'm still going to put new tires on it and keep my fingers crossed.

I'll report back.
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Old 04-11-2016, 09:56 AM   #63
Qbinb
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Default Can't figure out what is causing this vibration.

Had a reputable shop check my alignment. Back to the dealer again. Service tech said they are going to replace a "prop shaft" that had a little play in it. I'm guessing he meant a drive shaft, but i dont know which one yet. I'll update again in a week.
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Old 04-12-2016, 09:09 AM   #64
n7slc
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Looks like tires fixed my issue. I put a set of Falken Pro G4 A/S on it and have driven it 25 or so miles on the highway without the "death wobble" rearing its ugly head. Fingers crossed.
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Old 04-14-2016, 05:59 AM   #65
Qbinb
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Default Can't figure out what is causing this vibration.

Got my car back from the dealership, and the vibration is still happening. I feel sick. I feel like i got screwed and bought a lemon. My tire guy is saying that there is no way these new tires are flat spotting after a couple of hours, so there is no way its the tires, and the dealership is looking at me like they cant do anything either, so i gues im stuck hating my dang near brand new sti. Any suggestions would be greatly appreciated.
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Old 04-15-2016, 09:15 AM   #66
n7slc
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Quote:
Originally Posted by Qbinb View Post
Got my car back from the dealership, and the vibration is still happening. I feel sick. I feel like i got screwed and bought a lemon. My tire guy is saying that there is no way these new tires are flat spotting after a couple of hours, so there is no way its the tires, and the dealership is looking at me like they cant do anything either, so i gues im stuck hating my dang near brand new sti. Any suggestions would be greatly appreciated.
I feel for ya man...

I'd suggest having a different shop take a look. Sometimes, it takes a fresh set of eyes to see the problem.

I'd also suggest having the drive line to the rear diff checked for balance. I don't know if that's an issue with Subaru but older trucks needed to be balanced or they got severe vibrations.
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Old 06-02-2016, 07:00 AM   #67
psiphreak
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Quote:
Originally Posted by VladiWrX View Post
I think maybe it sitting for months during the build may have deformed your tires
After reading this entire post, I believe your statement is the culprit for my situation! I had the same nasty vibration on my car after 60MPH. It wasnt the wheels being out of balance. I was gone for 4-5 days and my car was fine before. However upon returning home, the vibration started. It has since disappeared! It left me confused and somewhat concerned.

I still feel like I have a little more steering wheel play. Though it could be because I was driving a rental with 900 Miles on the odometer.

Anyways, thank you!
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