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Why is the 1995 Ford F150 front end vibrating at low speed such as 20mph. It seems to quieten on speed increase. Any idea what might cause this?
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Can you better describe the vibration? Is it a noise, or do you just feel it?
Is is affected by acceleration or braking?
Does the vibration seem related to engine speed, or wheel speed?
If you got going 20 mph and shut the engine off, and put in neutral, would it still be there?
Ok, Thanks for the information.
I think your problem is most likely caused by an out of round tire, or a tire that has a belt starting to shift. It could also be a bent rim, but a tire is more likely as the bent rim you would probably feel at all speeds. Jack the front wheels up and spin them as fast as you can while watching the tread. I'd bet one of them has a hop to it.
Tires have less than 5K on them. It does have alloy rims, could it possibly be a balancing weight missing?
A balance issue would be felt at higher speeds. I suspect an out of round tire or wheel.
Even though the tires are new, you could still have a defect. This is the first thing you should look at. A tire or a problem with a wheel.