front end shaking

Tires and wheels don't have to be round to be balanced, but being out-of-round will cause vibrations. Since the tires are new, (and presuming that the problem wasn't there before), tires would be the first suspect. There may be a manufacturing defect.

Another possibility is that the wheel and tire high spots are aligned, again creating an out-of-round situation. This can usually be solved by re-mounting the tire at roughly 180 degrees from where it was mounted. The assembly must be re-balanced of course.

The wheel may also have a small flat spot that didn't cause problems before, but is now. If it is a steel wheel, the tire shop might try to hammer it out, but replacement is probably a better idea. If it is an aluminum wheel (ah, the XLT trim!), then a wheel repair shop can probably straighten it.

There are other more obscure possibilities, but these are the most likely given that you have new tires.

Dan

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Since the steering wheel picks up the vibration, that indicates one(both) front tire(s) is(are) improper--may just need re-balancing; or, it may be out of round. Like another poster so aptly put it, even a square tire can be balanced, although it will not ride smoothly. If this be the case, it needs trueing and then re-balancing. HTH, s

Thankyou just the answer I was hoping for. I'll check these things out. Thanx again.

ok thanx for info

Take it back for a re-balance and ask the tech to look carefully for any out-of-round or wobble in the tire and for any indication of a bent rim when on the balancing machine.

ok will do thx