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Another bad U-joint????

Success! I put the bolts just past finger tight (double bolted) and drove it a good 15 miles. The u- joint is no longer getting hot. Not sure if its a bent yoke or if the bolts were just too tight, but either way it's fixed! Ya hoo. Thanks for all the input guys. Still keeping an eye out for a replacement driveshaft and yoke, but its certainly a lower priority now.
 
78 GMC Jimmy said:
Success! I put the bolts just past finger tight (double bolted) and drove it a good 15 miles. The u- joint is no longer getting hot. Not sure if its a bent yoke or if the bolts were just too tight, but either way it's fixed! Ya hoo. Thanks for all the input guys. Still keeping an eye out for a replacement driveshaft and yoke, but its certainly a lower priority now.
Click to expand...
I might have a driveshaft and a yoke for you.
I will check on the yoke I know what to look for.
I need the measurements off your shaft, collapsed and extended.
 
78 GMC Jimmy said:
Success! I put the bolts just past finger tight (double bolted) and drove it a good 15 miles. The u- joint is no longer getting hot. Not sure if its a bent yoke or if the bolts were just too tight, but either way it's fixed! Ya hoo. Thanks for all the input guys. Still keeping an eye out for a replacement driveshaft and yoke, but its certainly a lower priority now.
Click to expand...
By the way, part of your problem is the cheap ujoints.
I use dana spicer for reason, the caps are so strong you can tighten the ubolts with no problems
 
imiceman44 said:
I might have a driveshaft and a yoke for you.
I will check on the yoke I know what to look for.
I need the measurements off your shaft, collapsed and extended.
Click to expand...
42" collapsed, 45" extended. That tip of ear to ear, not center to center on the U-joints.
 
imiceman44 said:
By the way, part of your problem is the cheap ujoints.
I use dana spicer for reason, the caps are so strong you can tighten the ubolts with no problems
Click to expand...



Ya, you might be right. If I get a replacement driveshaft, I would likely put in some good ones. Eventually replacing this one has always been the plan, so I was just running cheap stuff in it.
 
78 GMC Jimmy said:
Ya, you might be right. If I get a replacement driveshaft, I would likely put in some good ones. Eventually replacing this one has always been the plan, so I was just running cheap stuff in it.
Click to expand...
If I have the right shaft it will have good joints in it
 
1300obo said:
This might qualify for ck5 post of the day, or dont we have some thread for that?
Click to expand...
Well I haven't contributed to that thread in years I guess I was due.
The funny part is I posted then I saw that I missed the f on shaft, so I fixed immediately, just didn't notice the way the whole sentence looked
 
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Well shit....




twisted-driveshaft1-jpg.253280

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(Just kidding)
 
Update:

The loosening of the U-joints seems to have solved the issue long term.

I drove the rig for a couple of hours, sometimes at speeds of 70 mph, and after all of that - the front U-joint was no hotter than the T-case that its bolted to. The cops on the toke were warmer than the caps on the driveshaft, but that's because of heat transfer from the T-case. So I guess I'm good to go until I can find a non-bent / non-dented driveshaft.
 
I still have not had the time to go to my storage and look for a driveshaft.
I haven't forgotten though
78 GMC Jimmy said:
Update:

The loosening of the U-joints seems to have solved the issue long term.

I drove the rig for a couple of hours, sometimes at speeds of 70 mph, and after all of that - the front U-joint was no hotter than the T-case that its bolted to. The cops on the toke were warmer than the caps on the driveshaft, but that's because of heat transfer from the T-case. So I guess I'm good to go until I can find a non-bent / non-dented driveshaft.
Click to expand...
 
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