Tranny vibration

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Aug 6, 2007 | 01:36 PM

ryanm

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Joined: Mar 2004

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From: Kentucky

Tranny vibration

I have a 92 Bronco with a 351, when I have the accelerator barely pressed down just to mantain speed my transmission will vibrate, if I let off the accelerator or accelerate more it goes away. any thougts on a possible problem.

Aug 6, 2007 | 02:28 PM

Mr. M

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Joined: Oct 2006

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From: Redmond, WA

Quote:

Originally Posted by ryanm

Bad U-joints or driveshaft out of balance would be my first logical guess.

Also, have you lifted your Bronco or changed any suspension components recently? Your pinion angle could be off.

I doubt it's your transmission....

Just my experience,
Mike

Aug 6, 2007 | 02:45 PM

ryanm

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From: Kentucky

no it is not lifted, just bought it but it does not look like any suspension or driveline components have been changed.

Aug 6, 2007 | 02:47 PM

Mr. M

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Joined: Oct 2006

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From: Redmond, WA

Pull the driveshaft and drop it off at a driveline service place. Have it balanced, and have new u-joints put on.

I bet your problem goes away.

Good Luck
Mike

Aug 6, 2007 | 09:21 PM

BODOZER

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Joined: May 2007

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i actually bought a 92' bronco in march. it shook whenever i accelerated. i found out one of my spark plugs was missing and i changed it and it stopped after that. just a suggestion.

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