Driveshaft vibration

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TylerZ281500

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No problem man, any reputable machine/ welding shop should be able to spin your drive shaft for ya and make sure you're in spec. I'm lucky, we've got a shop locally that'll make any size or shape of driveshaft you want, pretty quickly too.

any shop cannot do that, theres more to straightening and balancing a dirvehsaft than any old person from a random "machine shop" will understand. if the u joints broke at one point, regardless of anyone says they drivehsaft isnt true anymore, it needs to be inspected. u joints could still be to blame if not installed properly. and please dotn use hose clamps, a straight driveshaft should barely require any weight, adding more will make things worse, plus your unaware at what angle youd need wieght. a good shop could have a driveshaft done within the day if they had a clue and were honest at what they do.

for your sake of not beign able to borrow a vehicle id suggest finding a way around that, otherwise with severe runout can deplete the life of rear end and transfer case. i dont imagine you have time to lose on that either.
 

90halfton

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any shop cannot do that, theres more to straightening and balancing a dirvehsaft than any old person from a random "machine shop" will understand. if the u joints broke at one point, regardless of anyone says they drivehsaft isnt true anymore, it needs to be inspected. u joints could still be to blame if not installed properly. and please dotn use hose clamps, a straight driveshaft should barely require any weight, adding more will make things worse, plus your unaware at what angle youd need wieght. a good shop could have a driveshaft done within the day if they had a clue and were honest at what they do.

for your sake of not beign able to borrow a vehicle id suggest finding a way around that, otherwise with severe runout can deplete the life of rear end and transfer case. i dont imagine you have time to lose on that either.
Never said they could fix it, just turn it and see if it's out of spec. They're not worth a f### if they don't have a dial caliper and some way to spin a shaft. And you're right, there could be alot of other things wrong.
 

TylerZ281500

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gotcha, they can look at it but reputable drivehsaft shop would do you better and guarantee its good or bad. i say that loosely because even looking at some of the most quoted driveline shops its ridiculous the amount of weight on their shafts.
 
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Yes. I picked the driveshaft up and put it in and test drove it. It had no vibration going up to speed so i kept test driving it and it eventually got the vibration back coming from the steering wheel, clutch pedal, and shifter. It does need ball joints but i dont think that would cause a driveline vibration. It would cause a chassis/suspension vibration. Any ideas??
 

TylerZ281500

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end play on rear end and or transmission?

driveline vibration would be a constant. this a belt/tire issue? and sure balljoints could create a vibration, poor running can cause a vibration, something being loose etc.
 

Supercharged111

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Is it RPM dependent or speed dependent? When exactly did it start? I had a similar issue with my Crown Victoria, I just reclocked it back at the diff and it went away.
 
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