Join Date: Jul 2006
Location: Winston Salem, NC
Car Year: 2011
Car Model: VW GTI
Transmission: 6 MT
My Forester is also VERY VERY sensitive to the balance of the tires. Same as yours, steering wheel shake from 55-80, not above and not below. But a new set of tires usually cures the issue.
I've checked ball joints, tie rod ends, everything. I believe it may be due to my struts being worn, which in turn do not allow the tires to keep proper contact with the road and caused them to wear slightly abnormal (or it's just the way I corner, or slide around a corner to be exact). It's most obvious when I rotate a back tire to the front, which makes sense since I spend a lot of time pushing the rear end around. Also, it seems to shake less if I'm turning some, thereby loading the suspension slightly and moving the struts out of their normal range.
That being said, this latest set of tires I purchased seem to be like that just a little from day one. I had them remount one of the tires to try and get it to balance with the least amount of add-on weights as necessary, but they still have a little shimmy anyhow. They are Bridgestone Potenza G009, which are supposed to be a great tire... but the rears do have a lot of weights to balance. I'm going to go get them rebalanced this weekend.
I'm hoping someone will come along and reply with the definitive answer for what the issue is. Either way, I'm planning on putting new struts all around since they have 148k on them. Good luck, let me know if you find a solution. I'll do the same!
EDIT: ok, maybe I'm just ranting on my own issue - your is most likely just an out-of-balance tire. May want to take it elsewhere to get it straightened out, I've had to do that with shops that couldn't get it right before.
04 Foz XT
11 VW GTI + 13 FJC
Last edited by problemcat13; 08-13-2008 at 08:50 PM.