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U-joint with no visible c-clips.

nad

nad

1/2 ton status
Joined
Dec 29, 2005
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Festus, MO
I bought a driveshaft from a junkyard and I need the yoke off of it for mine, but the problem is, these u-joints are like nothing I've seen before. There are no c-clips anywhere. Just rubber grommets.

And on each side of the caps on the outside of the yoke is a little plastic nub sticking out. Is there something in there holding these in? I tried melting them with no luck, and tried heating the whole thing up and hammering them out.

Anyone know what kinda u-joints I'm talking about, or how to get them out?
 
Well that's not good, considering my vise isn't big enough, and I don't have a press :( Looks like I'm SOL, guess I have to take it to a shop.

Thanks though.
 
someone was out to lunch when they came up with that method of retention.
 
Dumbest idea I've ever heard of. I've been heating it up and beating the hell out of it for awhile, with no luck...

So these plastic things won't melt? I held acetylene on it for about a minute, and it didn't even phase it.
 
problem is that you have to heat both cups at the same time.
 
yeah... heat it longer, it will just spew out once you get it to the boiling point, then attack with sockets and hammer, the small amount of plastic left in there wont put up much more of a fight
 
if you have a torch.... cut that X in half... cut it out!!!!!!!

yeah I Have messed with them.. we heated up 1 cap super hot.. then the other side...
also how are you banging i tout?

we always put a socket on the cement floor.....the socket is bigger than the cap....
then we take a socket that is the right size to fit inside.... and bang on it with a BFH!!!!! whale on that thing and it should budge out....
in theory you would be pressing the top cap down and forcing the lower one out....
 
Yes sir, that's how I was doing it. I held the heat on it for pretty long, but never thought about having to heat both caps. I'll just take it to a shop wednesday and have them press it out.
 
You can easily do one cap at a time.

Heat the side OPPOSITE the "nub" that sticks out, and the stuff will squirt out.

Actually it was a great idea, not falling out are they? :)
 
Those are a PITA if you don't realize there's plastic in there. I fired up my fish cooker and heated the entire joint up at the same time and wailed on it a few times with a BFH and a socket and it came right out. :D
 
I forgot to mention that I easily did this on the 1 ton front driveshaft I took apart a couple of months ago, using only a propane torch. It doesn't need to get that hot, the stuff starts squirting out pretty darn quick.

It makes it a lot easier to take the caps out if you remove that stuff, socket/hammer method is easier than pressing now that I remove the injected stuff.
 
the plastic injection is actually a better way to hold the ujoints in, it makes the joints more consistent on the torque to turn and the centrality of the joint being that it takes up some of the machine variability of the various parts
 
I got it out by using the propane torch and the hammer with sockets. The stuff like, boiled and shot out at me like a firecracker. Scared the hell out of me.
 
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