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Driveshaft vibration after all new components except the shaft... 700 1990

posted by  Will740turbo on  Thu Mar 23 03:17 CST 2023
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last visit: Wed Oct 22 16:09 CST 2014
[RELATED]

Update -

Took the car to an offroad shop and they told me my pinion angles are less than one half of a degree. They can see (and I have a video) of the vibration. It is in the middle u-joint and a little worse on deceleration than acceleration.

I'm thinking it's either that I damaged the u-joint during install or may have bent or damaged the ears. This is the joint that connects a very short piece of shaft to the sliding spline section.

All that said ... the driveshaft balancing shop should have fixed it before they gave it back to me. I put the u-joints in myself and had a machine shop put on the support bearing and carrier. The balancing shop asked me to bring it back in when I called them.


I'm not sure if it's the itty bitty shaft or the rear shaft that may be at fault here.

In either case, I'm not sure if I should be looking at a bad universal joint or the shaft itself. Anyone else ever seen this?






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