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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

vibration

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Old Feb 7, 2006 | 12:39 PM
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MSC
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From: South Carolina
vibration

I've got a harmonic vibration on my 86 F150 2wd. It happens during deceleration or coasting only. Isn't there one type of problem that causes vibration on acceleration and different type of problem that causes vibration on deceleration. I seem to remember reading something like that? What should I check?
 
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Old Feb 7, 2006 | 01:50 PM
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big hoss 29
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From: Billings Montana
What kind of shape are your u-joints in? Bad u-joints can cause alot of vibration on acceleration and deceleration, it just depends on how bad they are.
Just crawl under the truck and grab the driveline and try to move it, side to side, up and down and in a turning motion. If it moves, you need new u-joints.
 
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Old Feb 10, 2006 | 08:20 PM
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big, I dropped the drive shaft tonight. The front joint was bad, rusty and pretty beat up in one of the caps. Changed both joints while I was at it. Thanks.

MSC
 
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