Need help replacing front outer u-joints on a dana 30 - Jeep Wrangler Forum

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Old 06-08-2013, 06:47 PM   #1
Jeeper_Kreeper's Avatar
Join Date: Nov 2011
Location: Dade city, Florida
Posts: 90
Need help replacing front outer u-joints on a dana 30

I was wondering if there is any special tools needed fir replacing my Dana 30 outer u-joints and is it a hard project. Somebody at work said I would need to heat the u-joints with a torch to get the end caps off is that true?

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Old 06-08-2013, 07:06 PM   #2
Knows a couple things...

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Jerry Bransford's Avatar
Join Date: Nov 2005
Location: Escondido, Calif.
Posts: 37,282
1) Remove the axle shaft per Stu's instructions at D-30 Axle Shaft Removal - 1

2) Replace the u-joints per U-Joint Replacement - 1. I strongly recommend the Spicer 5-760x u-joint. It is a direct replacment that is stronger & more durable than the OE Spicer 5-297x.

3) Do not flush the grease out with fresh grease per Stu's instructions if you go with the recommended 5-760x u-joints. In fact, don't even mix the caps up when you pull them, put the cap back on at the same location it came off of. That insures each bearing cap has the correct amount of grease in it.

4) Listen no more to that yahoo at work who said you'll need to heat the u-joints with a torch. Heat is not needed and the use of heat would likely just likely ruin the heat treatment of the axle shaft ears which are what hold the u-joints.

When you have a choice, buy American.

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Old 06-08-2013, 07:14 PM   #3
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Join Date: Apr 2013
Location: Huntsville
Posts: 148
A ball joint press makes quick work of u joints. No a torch is not necessary. On some older vehicles you had to use a torch on the drive shaft u joints to melt out what I believe to be Teflon but I haven't seen that done years.
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Old 06-08-2013, 07:17 PM   #4
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Join Date: Aug 2012
Location: Ontario, Canada
Posts: 783
Renting or buying a joint tool makes it much easier too like shown in Stu's article. A lot easier than fumbling around with sockets/vise etc...

I didn't take the unit bearing off the outer stub, just unbolted the 3 unit bearing 13mm 12 point bolts and used a socket like in the article to get the unit off as a whole ( Very easy this way for me at least...

I found once you have the axle/joint out, if you give a flat nice wack on the cap of the old u-joints coming out, the clips are easier to take off too as it will push them in slightly...
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Old 06-08-2013, 07:19 PM   #5
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Location: Dade city, Florida
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Thanks everybody.
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