70mph Car Vibrations Unveiling the Hidden Causes

It wasn't until I got the truck above 70mph that I started to feel a little vibration. ... cars. Hence..I've lost some faith in the ... If it only happens at 60MPH, it has to be the tire or wheel. Rotate your tires out to the front, that will help you diagnose one that is bad by ... Is the vibration wheel speed of 3 times that? Feel it in your hands or the seat of your pants? Have drive shaft inspected of trueness and ... I have personally had bad new tires and bent rims, steel and Alloy. If you can watch when they spin the wheel. If its good you need to get the ... You may find that the auto shakes in an up and down motion. You may feel the vibration through the steering wheel, seat, or in the brake pedal. There are ... There is no point looking in any other area until the tire balance (and wheels, maybe bent?) are ruled out. 99 out of 100 it will be a tire ... Vibration at 50-60 that goes away above that is usually tire balance as you seem to have gotten taken care of. Higher speeds like the 70+ are often driveshaft ... Try swapping the tires/rims from front to back and see if it goes away. Sounds like a tire is out of balance or a belt broke inside the tire. ... car has been driven at ... I know that I feel vibration still on the gas pedal as I approach 70 mph, but my steering wheel feels fine to me. it could be hitting the natural frequency of some of the driveline parts at that speed but since it is a common highway speed limit you think ...