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Unread 09-12-2007, 08:14 PM   #1
phoric
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Needle zerks?

I have a 92 YJ and there are a few ujoints on my driveshafts that have needle zerk fittings on the ends of the ujoints. I do have a needle fitting for my grease gun but have been unable to get the grease to enter any of the ujoints.

There is a little ball in the needle fitting that I am just pressing on with the tip of the needle to get it to move inwards. When I insert the needle the grease immediately just comes right back out of the entrance hole. I've tried entering at an angle with the same results.

What is the trick to greasing ujoints with needle fittings?

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Unread 09-12-2007, 08:42 PM   #2
SWAMPRNR
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The tip you need is pictured on the bottom right of the link

http://www2.northerntool.com/product-1/200303979.htm
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Unread 09-12-2007, 08:58 PM   #3
Burnerman
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It's tricky. My swaybar discos have them and it's tough. They may be clogged if you can't get it to go. I put a regular zerk fitting in and pumped them up the first time I greased them then after that the needle would work. You need to push the needle adapter super hard into the fitting while pumping in the grease.
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Unread 09-12-2007, 11:28 PM   #4
SWAMPED
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yea im in the same boat as burnerman on my disconnects. just press hard and pump slow cause thats a lot of thick grease trying to go in a little bitty hole.
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Unread 09-13-2007, 04:28 PM   #5
phoric
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I guess I'll keep trying, I broke my needle adapter trying to push it in and have to go get a new one... I don't think they're clogged though, and it does the same with all 5-6 of them.
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Unread 09-13-2007, 04:34 PM   #6
phoric
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SWAMPRNR, I don't know if the site is down right now or what, but I couldn't get to the link you posted... Do you have a part # or something?
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Unread 09-15-2007, 12:11 PM   #7
phoric
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Well I went out and bought a couple different needle nose fittings for my grease gun and still cannot grease these things with any amount of effort... I think I'm going to say "forget it" and rebuild my drivelines with sealed, non greaseable u-joints. I could have done that by now with the amount of time I've spent on these stupid needle zerks.
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Unread 09-15-2007, 12:50 PM   #8
sentinal02
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Quote:
Originally Posted by phoric
Well I went out and bought a couple different needle nose fittings for my grease gun and still cannot grease these things with any amount of effort... I think I'm going to say "forget it" and rebuild my drivelines with sealed, non greaseable u-joints. I could have done that by now with the amount of time I've spent on these stupid needle zerks.
are you sure they're needle fittings and not just low profile standard fittings?
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Unread 09-15-2007, 12:51 PM   #9
rustywrangler
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Quote:
Originally Posted by sentinal02
are you sure they're needle fittings and not just low profile standard fittings?

This sounds about right. I just did a few things on the jeep yesterday and one included a new u joint in the rear drive shaft. I thought it was a needle fitting but actually was a small reg fitting.
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Unread 09-17-2007, 10:11 AM   #10
phoric
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Here is a pic of what they look like from the Stu-Offroad site. According to this page they are needle fittings.

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Unread 09-17-2007, 09:09 PM   #11
SWAMPRNR
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Grainger part number is 6Y834

http://www.grainger.com/Grainger/wwg...earchIndexId=2
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Last edited by SWAMPRNR; 09-17-2007 at 09:21 PM..
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