Why is there vibration between the front tires when I slow down, then speed up?
There is something that vibrates in the front end of my car, It seems to do it when I slow down and then speed up a little maybe going up a hill. It feels like it is between the front tires . I had someone look at it and they think it is the overdrive gear. If it is what can be done to fix it ? It seems to be getting worse and you can see the hood vibrate some. When I first noticed it , I thought the tires were trying to lock up. like they were not turning like they should.
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Could be a wheel, tire, or axle shaft. You could rotate the tires front to back and see if the vibration moves. If it does the problem is one of the tires or wheels. If it stays in the front, its probably one of the axle shafts. It could also be a hub bearing or something loose in the suspension. But a loose suspension part would normally show up when you hit a bump rather than on a smooth road.
IF your front end is jacked and your front tires are spinning you should be able to see the vibrations. Use a stethoscope on your motor and tranny to isolate vibrations while running.
In your case id start with wheel balancing first. Have them balanced on the car too (ofcourse). Having it only at a specific speed indicates its a harmonic vibration (vibrations that only occur when something rotating,reaches given speeds) So yeah, start with cheapest repairs and go from there.
I highly doubt its your mounts unless they arn't sitting or torqued properly. If your confident they were installed perfectly i'd ignore that possibility.
Also, with front end jacked and car not running wiggle your wheels left/right, and up/down to see if any play. Spin them and look at them from the front to see if they wobble. other causes are, tire with a bad tread, one thats about to separate, this is what caused my car to vibrate deeper causes can include a bad flywheel,, broken or bad motor mount, and a simple alignment
sounds like you have a warpped brake rotor, bad ball joint, or a bad tire. I would recommed taking the truck to a tire shop and have them shake down the front end that will tell you if its a tire or ball joint
your wheels more than likely needs to be balanced one or more are out of round if you had the tires rotated before the alignment this would make the vibrating more noticible.but balancing should solve your problem.
Most vibrations at speeds from 45mph to 55mph indicate tire balance problems. If there is no vibration outside this range have the tire balance checked. If there is a vibration that starts around 50mph and continues at higher speeds there could be a problem with the CV joint(s).
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