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Old 06-26-2012, 03:34 PM
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Rear Drive Shaft U-Joint Issue!

I was trying to replace my U-joint and when I went to put the driveshaft back on with the new U-Joint I came across this problem. If you look in the picture you'll see on the one side isn't beveled over the edge, The other side is good. Any Ideas what to do or where I would be able to get a new one? I have a 1997 F-280 psd
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Rear Drive Shaft U-Joint Issue!-20120626_183649.jpg   Rear Drive Shaft U-Joint Issue!-20120626_183720.jpg  
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Old 06-26-2012, 03:35 PM
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In the first picture you'll see in the right center is where the piece is broken off. In the second picture you'll see the left center is good.
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Old 06-26-2012, 03:55 PM
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So, you're saying the only thing that's wrong is that that "tab" in the yoke isn't there? Are the caps sitting at the same level on both sides?

If one is higher, and can't go down anymore, most likely what's happened is that one of the needles had fallen into the bottom of the "cup", stopping the "cross piece" from being able to go all the way in.

If they're the at the same level and centered in the yoke, but you just don't have that tab to sit on top of the cup, I don't think there's much you can do about it short of replacing the yoke itself. I think I just wouldn't worry about it then, maybe keep an eye on it for the next few weeks...
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Old 06-26-2012, 04:10 PM
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Quote:
Originally Posted by NoRalPh View Post
So, you're saying the only thing that's wrong is that that "tab" in the yoke isn't there? Are the caps sitting at the same level on both sides?

If one is higher, and can't go down anymore, most likely what's happened is that one of the needles had fallen into the bottom of the "cup", stopping the "cross piece" from being able to go all the way in.

If they're the at the same level and centered in the yoke, but you just don't have that tab to sit on top of the cup, I don't think there's much you can do about it short of replacing the yoke itself. I think I just wouldn't worry about it then, maybe keep an eye on it for the next few weeks...
The caps are at the same level.. The thing is, without that 'tab' the U-joint cap slides out fairly easily on that one side. The tab is there to keep it pinned in.. Where the tab is broken, that whole part is connected to the rear pumpkin. I'm not sure if I would be able to pick that part up at the local auto store?
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Old 06-26-2012, 05:34 PM
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OK, well then I agree, I guess you can't drive like that because the centrifugal force would pop it out. I'm not sure why the strap wouldn't hold it tighter though...

So, for the yoke, I'd be thinking a J-Yard might be quickest. I doubt it's the kind of thing an Auto Parts Store would carry and the dealership would most likely have to order it for you.
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Old 06-26-2012, 05:54 PM
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Originally Posted by NoRalPh View Post
OK, well then I agree, I guess you can't drive like that because the centrifugal force would pop it out. I'm not sure why the strap wouldn't hold it tighter though...

So, for the yoke, I'd be thinking a J-Yard might be quickest. I doubt it's the kind of thing an Auto Parts Store would carry and the dealership would most likely have to order it for you.
I didn't understand that either, you'd think the straps would hold it in.. Would it be easy to disconnect that yoke from the pumpkin?
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Old 07-13-2012, 04:04 AM
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remove ujoint drop driveshaft out of the way, one big nut is all that holds the yoke on. any good parts store can order it, Ford most likely has it in stock. the fun part is that there is a crush sleeve behind it that sets the pinion bearing preload. getting that right could take a whole book to discuss. drive it like that and fairly quickly you will throw a driveshaft and wreck a whole bunch of s**t
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