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Re: what exactly is a radial pull (archive)

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Posted by Bob ///M3 on June 20, 2000 at 10:51:38:

In Reply to: what exactly is a radial pull posted by jack on June 20, 2000 at 01:22:50:

I've never heard of "radial pull" before but the reason you have a vibration after not driving the car for a while may be because of flat spotting the tires. Not flat spotting as in sliding and wearing off the rubber but simply because the car's weight has flattened the tire on its footprint where it was parked for a while.

High performance tires are known to be made of a softer compound rubber and have a different construction than normal passenger tires. That lends to more of a chance the tire will flatten somewhat and set up a vibration when driven until the tires reform to roundness again. This usually doesn't take too long but is dependent upon temperature, speed and to some degree, I quess, lateral pressures on the tires. Also, it is usually felt that the front tires are the only ones with this symptom but the rears have it just the same. This is because we feel the vibration more in the steering wheel because we are connected by way of touching it.

Radial pull...I don't know what that is unless it's a defective tire that has been manufactured or built incorrectly.

Bob ///M3


: I just bought new avs sports and i had my 96 m3 aligned and they said it was still pulling to right after the alignment. They said that they guessed the front right tire had a radial pull. What exactly is that. I took it to where i bought the tires and they ordered me a new one. Would this cause a vibration around 60 mph because since i got the new tires I have had some vibration especially when i haven't driven the car for awhile.

: Thanks




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