Vibration, could in be internal???
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Joined: Dec 2006
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From: Tooele, Utah
Originally Posted by rbaker6336
normally a driveshaft don't loose its balance
my .02
Billy
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My probelem is the only driveline shop is located 90 miles from me. he said bring the whole unit together and he would balance it. 50 bucks or so. anyone else seen the ticker on the shaft that states if ujoints are changed that before reinstallaton, to have it balanced????????? the new joints have grease fittings, the old did not.
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update............
Disconnected the driveline from the tranny and brought it up to speed. No vibration. Rotated wheels and tires and reconnected driveline. Vibration is back.
I posted a question in another thread in case this gets overlooked but will ask it here too. Did these trucks come out with approximately a 2 inch block lift in the rear?????????
I posted a question in another thread in case this gets overlooked but will ask it here too. Did these trucks come out with approximately a 2 inch block lift in the rear?????????
Hook it, I'll pull it.
Joined: May 2007
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From: Grand Lake, La.
lol, No just the 350 had 3 1/2" block. But you can get them from the dealer and put them on your truck.
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Originally Posted by miller_feed
lol, No just the 350 had 3 1/2" block. But you can get them from the dealer and put them on your truck.
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well, just got back from getting the shaft balanced. 180 mile round trip.! added 5 weights total to bring it back in tolerance. she was wayyyyyyy out.??? Now, After leaving the key on it won't start and I cannot get it to jump start either. any ideas?????????
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well, After letting another truck run for thirty minutes with the cables on my powerstroke, she finally started. I drove it to work and.......... viola, my problem is cured. so smooth it is unreal. best 50 bucks I ever spent. dude run that shaft up to 3,100 rpms after balance was complete. smoth as can be.!!!!!!!!!! NO vibration whatsoever at any speed.
Laughing Gas
Joined: Jul 2003
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From: Littleton, Colorado
Glad to hear it. Amazingly enough, there have been several trucks where the drive shaft was way out from the factory. Drive shafts are too often passed over by those with vibrations. I don't know why, but some let them go for years before they pursue them. Usually by the time they balance the shaft, there are many other worn components that are a direct result from the drive shaft. Vibrations are hard on any equipment and should never be ignored.
Austin
Austin
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From: Woodbine,MD
Just got my driveshaft back from being balanced and it runs smooth all the way to 90mph ( only did it to check for vibration ) the shop said that the u-joints that I had used ( 6-months ago ) were of poor quality and already had play in them . Napa u-joints . Anyway , problem solved for my vibration and it was money well spent !
Cross-Country
Joined: Sep 2006
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I had this exact problem.
I replaced my tires, ujoints, had the shaft professionally balanced/straightened and had the bearings replaced in the rear end all for naught. I ended up replacing the driveshaft and it fixed it. The dealer took off the rear shaft and drove it and found no vibration. When I removed my old shaft, I noticed that if I twisted one end clockwise and the other counterclockwise, there was a very small movement in the splined portion of the driveshaft. I replaced mine with one from Driveshaft Specialist in San Antonio for one third the cost Ford wanted.
I replaced my tires, ujoints, had the shaft professionally balanced/straightened and had the bearings replaced in the rear end all for naught. I ended up replacing the driveshaft and it fixed it. The dealer took off the rear shaft and drove it and found no vibration. When I removed my old shaft, I noticed that if I twisted one end clockwise and the other counterclockwise, there was a very small movement in the splined portion of the driveshaft. I replaced mine with one from Driveshaft Specialist in San Antonio for one third the cost Ford wanted.
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Joined: Mar 2008
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From: Pepperell, MA
My 2001 F250 SD has what sounds like the same vibration. It feels like a U-joint when driving, but I crawled under there today and checked - they seem good and solid. I do feel a slight play in the driveshaft sliding splined joint, which I suspect could be the cause.
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cmiller5
1973 - 1979 F-100 & Larger F-Series Trucks
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Mar 22, 2007 11:48 AM