Driveshaft Issues?
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Driveshaft Issues?
So a few months back I was driving my '79 F150 around and one of the u-join straps that held the front of my rear driveshaft in place snapped off and my driveshaft dug into the road. I had quickly pulled over so it did not cause any more damage. When it first happened, I brought it to a friend that was a mechanic to see if it was bent. He had told me that it wasn't bent and probably just needs a new u-joint. So I replaced the u-joint but now it is vibrating at about 30mph. When I had taken the driveshaft off. I had forgotten to mark a white line to line it back up when putting the two parts together and I had thought that I put it back correctly after a few trial and error tests but it is still vibrating. Is there anyway I can fix it or do I need a new driveshaft? If I need a new one. where can I find a site that sells one? I have a 133" wheelbase and an automatic transmission. Any help is appreciated.
Tuned
Joined: Jan 2016
Posts: 311
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As suggested take it to a driveline shop and make sure when you re-install you aren't over tightening the u-bolts (it doesn't take much to tighten them or over tighten and deform the caps: Spicer® Driveshaft Lube & Torque Specification | Spicer Parts )
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