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Weird Vibration

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Old Jan 29, 2007 | 09:17 AM
  #1  
FrontRangeF150's Avatar
FrontRangeF150
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From: Longmont, Colorado
Weird Vibration

I have always felt a vibration when getting up to around 50 or so in my truck. Friday on the way home the vibration got worse. I can feel it at high speeds whether accelerating or not, and at low speeds when I let off the gas. My dad says throw out bearing and a friend says U-joints. Can anyone point me in the right direction here?

91 F150 4x4, 302, ZF 5 Speed
 
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Old Jan 29, 2007 | 10:02 AM
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bocephus_3349
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From: riverton u.s
ujoints are a major contributor to vibration. Thats allways the first thing i look at when trying to eliminate the problem. Also check your motor and tranny mounts. I just replaced mine last weekend. Easy job. Mine didnt look to bad untill i go them out of the truck and they were beyond thrashed. that helped solve some of my vebration. Im not to sure on the through out bearing, but i guess if its sticking a little it would cause some vibration i might have to check that on mine as well. I still have a little vibration in mine, but i tend to think its from my rear end angles being a little off from my lift.
 
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Old Feb 3, 2007 | 10:05 PM
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From: Ashland City, TN
the throwout bearing shoudln't be causeing any problems if the clutch is in.
Look to your Ujoints, and check your ball joints.

Jack the rear end up and block the front tires, get under and grab ahold of your driveshaft and see whats going on.
 
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