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Old 02-02-2014, 11:36 PM
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Removing u joints retaining pins?

Trying to remove the u joints from an 1989 Chevy S10 driveshaft. Ive been trying for hours and wondering if those small tabs on each side could be a pin holding the cups in place? Any idea why they will not give?
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Old 02-03-2014, 03:57 AM
STUPID is as STUPID does...
 
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The u-joints are initially installed with an injected plastic. The "tabs" are were the plastic is injected into the joint. The easiest way to get them apart is to heat them with a torch until the plastic spuges out... Your replacement bearings should come with a snap ring to replace the plastic.
Mark
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Old 02-03-2014, 04:08 AM
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Just press the caps out. No need to remove anything. The plastic pieces will break off.
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Old 02-03-2014, 04:28 AM
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I always found heating the factory joints amusing watching the spooge "snake" out of teh joint.

If you dont have a press handy, propane or ox/acetylene will work.

peace
Hog
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Old 02-03-2014, 05:42 AM
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Yep, what they said, heat up around it til the plastic retainers spuges out and then press them out. Had to show my son that trick after he worked on his for about a hour.
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Old 02-03-2014, 09:08 AM
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Thank You! They did have a snap ring that I have already removed. I guy Ill have to try different techniques in removing. As you can see in the picture Im using a bench press with offset sized sockets. Has anyone had better luck with a ball joint puller? or any other puller?
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Old 02-03-2014, 10:07 AM
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Nope, not me.
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Old 02-03-2014, 10:08 AM
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Once the plastic is out they will come right apart.
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Old 02-03-2014, 11:38 AM
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Have done alot of them the way you are doing them before I got my press, like astroracer said once the plastic is out they should come right out. I just use a propane torch and the plastic just gets hot and comes out the hole like a worm when you hit he ground with a little electric charge.
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Old 02-03-2014, 11:39 AM
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I use a propane torch. Doesn't take much heat to melt the plastic.
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Old 02-04-2014, 09:46 AM
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Quote:
Originally Posted by 67Elcamino View Post
Thank You! They did have a snap ring that I have already removed. I guy Ill have to try different techniques in removing. As you can see in the picture Im using a bench press with offset sized sockets. Has anyone had better luck with a ball joint puller? or any other puller?
If they had a snap ring on them, then it sounds as though they had been changed already.

You might need to get your sockets setup and apply some preload force, then the joint a whack with a hammer. You will be hitting the old joint where the caps would have sat on the pinion yoke. Give it a whack in the direction you are trying to get it too move.
Just dont hit the driveshaft or where the bearings go on the shaft.
Of course this is assuming the plastic has been melted out. Pretty sure tehre shouldnt have been clips if it was an OEM instal.

peace
Hog
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Old 02-04-2014, 01:52 PM
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I saw a tad bit of plastic ooze out not much and they did have c clips in them. I used a ball joint separator with an impact wrench and came out. I think I might of had an edge of the socket blocking the cap from coming out of the opposite side.
My issue now is finding a 7260 to a 3R conversion u joint.. If there is even a such thing availiable
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Old 02-04-2014, 03:36 PM
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Quote:
Originally Posted by 67Elcamino View Post
I saw a tad bit of plastic ooze out not much and they did have c clips in them. I used a ball joint separator with an impact wrench and came out. I think I might of had an edge of the socket blocking the cap from coming out of the opposite side.
My issue now is finding a 7260 to a 3R conversion u joint.. If there is even a such thing availiable
As I said in your other thread, I won't say that there *isn't* such a thing ... but I can't find anyone that does make this conversion.

You have said that the shaft is from an 89 S10. What trans or diff yoke are you trying to adapt to?

If I'm not mistaken, 7260 series sounds like a Chrysler/Dodge/Jeep application?
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Old 02-04-2014, 10:04 PM
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Ive been measuring and measuring and finally comfortable with the conclusion that the 89S10 drive shaft ujoint is a GM 3RL (S44) and Im using it with with 73 Satellite 8.25 rear end and u joint is 7260.

I been researching online and cant seem to find such a conversion u joint.
This is to install on a 1940 Desoto Coupe.... I do have the Desoto driveshaft that Im hoping carries a 7260 ujoint this way I can just weld the S10 end to it and dont need a conversion u joint.
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Old 02-05-2014, 11:17 AM
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Quote:
Originally Posted by 67Elcamino View Post
I saw a tad bit of plastic ooze out not much and they did have c clips in them. I used a ball joint separator with an impact wrench and came out. I think I might of had an edge of the socket blocking the cap from coming out of the opposite side.
My issue now is finding a 7260 to a 3R conversion u joint.. If there is even a such thing availiable
OK great, sounds like the joint was changed at least once already. Those cups need a little bit of persuasion just to break them loose, then they come aprat easily.

For your new joint search, since you ahve teh measurements, you should be golden.

peace
Hog
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