Steering shimmy part 2 - Help! - Page 2

nikita76 · 09-21-2006, 10:01 AM

Here's a trick I learned off of this board! When balancing the wheels have the weights moved as close to the center of the wheel as possible on the inside. Removed all the shimmy I had and, it didn't cost me anything!

Nikita

FirstGen · 09-21-2006, 05:53 PM

How much tolerance is allowable in the rotors? I put a dial indicator on the rotors and I noticed the passenger side was .008" out of flat (warped). Generally I thought this would only cause a vibration when braking however I'm looking for almost anything wrong now.

Is this worth having the rotors turned or is not the problem since I do not have any vibration under braking?

FirstGen · 09-23-2006, 10:05 AM

I wanted to keep this updated to help anyone in the future. I decided to pull the hubs off the car and spin them on a lathe to see if they were warped or bent or anything. Turns out they were a little distorted and I took off about 5 thousands to true them back up. I also turned the rotors while I had everything apart.

This seemed to help a ton of my problem however I also noticed that my upper strut bearings are a little loose. I think this may be my final problem.

Will update when I replace these...

FirstGen · 09-28-2006, 05:42 PM

To close this thread I finally fixed the last little bit of the shimmy left by having the wheels and tires "computer ride matched" at Discount Tire. Rides like glass now.

Eric-325I · 09-28-2006, 06:42 PM

Been following this thread... Glad your all fixed-up FirstGen.

Eric

dentist90 · dentist90's Garage

Quote:

Originally posted by FirstGen
To close this thread I finally fixed the last little bit of the shimmy left by having the wheels and tires "computer ride matched" at Discount Tire. Rides like glass now.

I'm gonna let my ignorance hang out here... what is computer ride matched? (Just in case flat spots aren't the only problem with my shimmy)

FirstGen · 09-29-2006, 12:53 PM

I didn't know they could do it either or what it was but it's the best 40 bucks I've ever spent! Basically, they check the wheel and tire seperatly for run out and balance. Then the dismount and remount the tire to mate them on the wheel in the best location in order to run the least amount of added weight. It also allows them to match a low spot on the wheel with a high spot on the tire if there is such a case with that wheel or say a light area on the wheel with a heavy area in the tire - or some combination of the two...
Sounds cool anyway. Took them about 3 hours to do it.

dentist90 · dentist90's Garage

I'll bet my tire guys wish they had one of those! Last time I had new tires put on my Talon I made them remount one of the tires 'cause there was 1/2 lb of weights on one of them. They did place that one on the rear, but come on! They just had to spin the tire 180 degrees and all of a sudden 1 oz does it.
With regard to your out of round hub... could you feel any play in the bearing when you rocked it up/down and side/side? Or was it the hub body itself kinda bent? I hope not to have to chase it that far, but I am gonna have the wheels checked for trueness when the new tires are put on. May have to wait till next year now... stupid things are on backorder as we're all shifting into winter tire season up here now.

FirstGen · 09-30-2006, 05:54 AM

dentist90 - wheel bearings were tight, the hubs were not bent just abused and had been beaten on too much by the PO from things like changing wheel studs and such...

Good luck!!