Bad vibration over 45mph.... - Ford Powerstroke Diesel Forum

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post #1 of 11 Old 05-21-2011, 06:00 AM Thread Starter
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Bad vibration over 45mph....

I just picked up a 2000 f250 with a 4inch lift and im trying to track down the vibration issue. A few things that im thinking

1) The steering wheel has play in it from 12oclock to 1oclock, it responds from 12oclock to 11ocklock immediately once i go left.
2) The tires need to be replaced, currently there are two differnt style tires on it for the front and the rear

The vibration really isnt as bad (or bad at all) under about 45mph but starts to get bad above 45mph and pretty evident around 60-70mph, i would like to get the truck more daily driveable.

Would a steering box cause vibration? The tires suck and need to be replaced but i would think if it was the tires the vibration would be noticed at lower speeds as well

Help?
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post #2 of 11 Old 05-21-2011, 06:04 AM Thread Starter
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post #3 of 11 Old 05-21-2011, 06:08 AM Thread Starter
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The truck doe not wander one the why and it doesnt get worse with acceleration (during acceleration) just with the increase of speed
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post #4 of 11 Old 05-24-2011, 01:00 AM
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Any vibration I've EVER had in anything (dodge 1500 on 40's /stock tahoe/ chevy 3500 on 32's / 00 Ex on 38s/ 03 Ex 38s / 76 bmw on like 21" tires or something tiny) has always been the product of me not paying attn to my tires.

proper rotate and balance, watching my pressure w/ the crazy weather in texas, and doing my best not to make em rub.

First thing I'd do is new rubber. looks like you're almost there anyways. I've never had an issue w/ my Nitto Terra Grapplers or my Toyo Open Countries. 50k + out of both sets.


could be a number of other things, but i know i have had sweet spots from a tire going out of round, or being low / high psi @ 60 mph in both Ex's and my dodge just about started jumping from 45 till 60.

I'm no doctor.

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post #5 of 11 Old 05-24-2011, 01:29 AM
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Not going to lie lifted psds have a prob with wheel bearing is start with the tires then alignment first that should fix Ur play in the seeing wheel issue

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post #6 of 11 Old 06-19-2011, 02:49 PM
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I just took my 99 f250 7.3 4x4 in to ford for that same problem. At 50mph I picked up a vibration at 60 it became audible and at 70 I thought the wheels would fall off. Ford said I had play in the pinion and my driveshaft was out of round. I had them replace the pinion bearing ($700) and the problem persisted w/o change. They wanted $620 for a new driveshaft. I removed it and took it to get balanced and had that shop replace the three u-joints as well ($225). It solved my problem. If you decide to pull the shaft yourself DON'T FORGET TO CHAULK YOUR TIRES!!! I didn't and almost pissed myself when my truck began to roll down the driveway!
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post #7 of 11 Old 07-04-2011, 07:52 AM
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Don't forget to look at the clunk vibration threads also. Cheap thing to check and it is a known issue with F-X50's and vibration at speed, stopping, starting etc. Of course when the dealer takes everything apart to replace all of the "bad" parts, he'll grease the spline and put it back together and the problem is solved if it was the only problem... Fixed my vibration problem this way. Almost ran myself over because I forgot to chock the wheels!
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post #8 of 11 Old 07-24-2011, 09:35 AM Thread Starter
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post #9 of 11 Old 08-06-2011, 12:07 PM Thread Starter
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I believe my driver side ball joints need replacing as they had a LITTLE play; but changing the wheels and tires out has seemed to smooth out the majority of vibration
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post #10 of 11 Old 08-17-2011, 08:06 PM
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I have the same issue and replaced my tires, shocks, and had an alignment!! I took it to ford and they told me it was the tires. My next try will be the drive shaft!!
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