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help with u-Joints

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waveandwen

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replacing u-joints on my '57 BN4. Have six of the eight roller cups out; but, the last two are quite stuck. They are opposite one another on one of the yokes. All the hammers in the garage have had not effect. Any thoughts ? How about heat ?
Thanks in advance, Dave.
 
Are you trying to drive them from the outside IN or drive them from the inside OUT ?

How much space is there in the yoke to put something in there ?

IF going from the inside out and there is enough space, get a long internally threaded sleeve (hex outside) from Home Depot or Lowes (used for joing sections of allthread) and thread a long bolt into it.

Put it between the caps in the yoke and turn the hex sleeve, producing outward force on both caps. One of them ought to pop. Then you can get a straight drive on the other one.

OR weld a bolt (by the head) to one of the caps and use a slide hammer to pull it out.

If trying to drive them IN, use a vise and a socket.

Tim
 
I forgot to add, if you try to use heat, heat the YOKE ears and cool the bearing caps.

If you can heat the bearing cap to sufficiently destroy the hardening, you might be able to drill a hole in one and get a straight drive on the other one.
 
Are you sure all the the retainer is out? If you are, then I'd move on to phase II: Take it to the local Machine shop and have them press it out. It will ensure you don't damage anything (including you). It should cost about $10.00 or a six pack.
 
I did this recently. I had one that was stuck and ended up cutting the face with a dremel cutting disk, then beating on it some more. It finally came out in little pieces.
 
Thanks for the thoughts and suggestions.

Since I have successfully removed the first six cups, I am pretty sure all retainers have been removed. Have attempted to drive them from the outside in as well as inside out. Tried the sockets in vise, that applies seemingly tremendous pressure, to no avail.

I think the next effort will be to take them to a shop to be pressed out as suggested.

Thanks, Dave.
 
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