56 Chevy pickup 3200 drive line Vibration - Hot Rod Forum : Hotrodders Bulletin Board
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Old 06-02-2010, 09:20 AM
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56 Chevy pickup 3200 drive line Vibration

I just bought a 56 Chevy pickup 3200 and am starting to restore it. I got the motor running great and when I went to test drive it I found that I have a really bad vibration. It was sitting in a field for 10 years before I bought it but the guy I bought it from is a good old boy and said he was driving it right up till the day he parked it. I blocked the rear tires up and ran it in gear and the drive shafts are straight. It is not the motor because when its in neutral it has no vibration at any rmp. It is a manual 4 speed on the floor. I on can go about 8 - 10 mph and then after that it starts shacking the truck very very bad and the clutch pedal starts jumping up and down. ????? Any body out there have any idea what I am dealing with ...Sincerely Dave

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Old 06-02-2010, 09:44 AM
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Rusted u-joint?
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Old 06-02-2010, 09:58 AM
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Does it have a carrier bearing on the drive shaft? If it does then it probably needs to be replaced. The rubber around the bearing is probably rotted.
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Old 06-02-2010, 10:00 AM
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That'd be my guess too. Hanger bearing
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Old 06-02-2010, 11:09 AM
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Quote:
Originally Posted by big gear head
Does it have a carrier bearing on the drive shaft? If it does then it probably needs to be replaced. The rubber around the bearing is probably rotted.
.........................
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Old 06-02-2010, 11:09 AM
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Yes it does..thank you , I will change it out tonight....Dave
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