Front driveshaft u-joints -

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post #1 of 5 Old 04-06-2010, 02:04 PM Thread Starter
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Front driveshaft u-joints

I'm in the process of replacing front DS u-joints. After I get the caps seated in the yoke far enough to get the retaining clips in, it seems like they are sort of tight and bound up feeling. They don't turn really smoothly. Will this loosen up with use after it's reinstalled? When I put the caps on to test fit before putting everything back into the yoke, it's nice and free and smooth. Just wondering if anyone else has noticed this or maybe I'm doing something wrong. I've replaced axle u-joints before and didn't notice the tight feeling.

93 YJ, 4.0, Auto, 4" RC, 33's
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post #2 of 5 Old 04-06-2010, 02:16 PM
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Are they greased up and the correct size?

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post #3 of 5 Old 04-06-2010, 02:18 PM Thread Starter
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Yep, correct size and fresh grease. It seems like the caps have to press down on the end of the ujoint ears a little in order to make room to get the clip into the slot. if there was a way to tap the cap back out from the inside, it seems like it would be perfect. I guess I'll just put it all back in and see what happens.

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post #4 of 5 Old 04-06-2010, 04:32 PM
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Don't run them if they are tight. They will over heat and self destruct. With the DS yoke on a hard surface like a vice, anvil, even a brick, strike the DS ears with a hammer. Spin it 180*, and strike the other side. Don't use a sledge, just a regular hammer with a sharp blow.

Besure you do not hit the u joint, or have the joint in contact with any thing. Try turning the joint after each hit and you will feel everything loosen up. Repeat until it is smooth, using lighter taps of the hammer as it loosens up.
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post #5 of 5 Old 04-07-2010, 09:50 AM Thread Starter
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Thanks - that sounds like good advice and I'll give it a try.

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