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identify radial tire?
Hi, I just have a set of Michellin tires put on my car, and I noticed the car drifts to the right slightly. Well my car was drifting to the right slightly after a tire rotation, and the tires were pretty worn, so I decided to get new tires. But after the new tires were put on, it still pull to the right. So I went ahead and did an alignment at a local shop. Amazingly enough, after the alignment, it still pulls to the right. The damn shop, I thought to myself, so after a week I took it to my dealer to have them do the balance. they adjusted it and it was better, but the damn thing still pulls to the right slightly. The steering wheel also vibrates slightly at high speed, even after rebalancing at a trusted shop. So after a few weeks of more driving, I decided to take it back to the dealer again to have them check the alignment. They said they put it on the 'slip meter' and the alignment were well within the spec. They cross rotated the front tires and said now the car pulls to the left. So they said it is a radial pull and caused by tire. I took the car back today and noticed the pull to the right seems to be less now. However I do notice the steering wheel seem to vibrate just slightly more at high speed, 70-80.... I've never heard of this radial-pull so I did some research online. It seems it could cause a pull, and might also cause vibration which cannot be solved by balancing tire, which is what I am experiencing. (my tires have been rebalanced 2 additional times due to the vibration and the last one the shop said the balance was fine). I plan to take it back to the shop that sold me the tires, as it is still within 2 months. How do I (or they) identify which one (or more than one) is the one with the radial pull? The dealer cross-rotated the front tires and now the vibration seems to be a bit more at high speed, does this indicate it to be the left front tire? (as it is closer to the steering wheel?) Could it be the back tires? Thanks a lot. Raymond |
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VIBRATION --
You have a problem with either the tires or the balancing. The car should have NO vibration at 6-80 mph. Not in the steering, not in "the seat of your pants" Either the tire balancing was done poorly, or the tire (tires?!) itself is "out of round" Had problem with new set of Michlin which had vibration at 60-75. One of the tires had about 2 oz of weight on one spot - WAY too much for high quality tire! After 3 re-trys and failures to get the balance right, ended-up at another shop ( same chain ) to get the tires balanced right. Shop #1 had lousy machine. Shop #2 - OK. If they **can't** get the vibration out, then the tire itself is bad. BTW...Differential diagnosis of front vs rear out of balance is this: Vibration felt in steering wheel = Front Wheels Vibration felt in "the seat of your pants" = Rear Wheels Vinration both places = Problem both ends As to this whole theory about ** radial-pull ** It's news to me. What's it supposed to be??? Rick -- = = = = = = = = = = = = = One machine can do the combined work of fifty ordinary men. There is no machine that can do the work of one extraordinary man. |
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In rec.autos.tech Rick A. > wrote:
> BTW...Differential diagnosis of front vs rear out of balance is this: > Vibration felt in steering wheel = Front Wheels > Vibration felt in "the seat of your pants" = Rear Wheels > Vinration both places = Problem both ends > As to this whole theory about ** radial-pull ** > It's news to me. What's it supposed to be??? Thanks for the reply. When they swapped the front tires, the pull to the right seems to be less than before. the vibration on the steering wheel seem to be slightly more. radial-pull is a detect in the tire that can be caused by a some number of tire problems, or so i've read. I do not know more than that. The pull is not a lot, but noticible. driving on a highway at 70mph going straight, the car will begin to drift to the right after about 3 seconds. seems to be less going down hill... Raymond |
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...I've experienced radial pull on 3 occasions I can think of off hand.
Usually ...with less expensive tires but have seen it with name-brand (Goodrich - not good ...namebrand but namebrand just the same). Anyway, in my case, car pulls to ...right, swap front tires left to right and now car pulls left... I rotated ...front to back and pretty much took care of the problem but in 2 cases, one of ...the rear tires had the tread seperate soon after. Sounds like the BELTS on the radial tire have "moved" .... tire falling apart shortly thereafter. Radial Pull = a new name for Bad Belts ???? -- = = = = = = = = = = = = = One machine can do the combined work of fifty ordinary men. There is no machine that can do the work of one extraordinary man. |
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