Front driveshaft slinging grease, need help/info -
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post #1 of 4 Old 10-16-2021, 09:09 PM Thread Starter
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2007 WK 
Join Date: Nov 2019
Posts: 2
Front driveshaft slinging grease, need help/info

Grease is being flung out of the front coupling on my front driveshaft.
It's a thick, black grease sticking to the frame, starter, and oilpan. It seams to be coming out in very small droplets, then getting blown around a bit.
In the pics I've highligted the grease in yellow. It seems to be in a direct line with the seam between the larger coupling (attached to the front differential) and driveshaft, highlighted in red. It's definetly not comming from the rubber boot as the boot is behind the line of grease.

I did remove this a while ago when swapping engines as I had to remove the front differntial. I re-installed and have driven it 500 miles or so since. It drives great, no noise or vibrations. The QDII works great, too.
I confirmed that the bolts are secure, and the driveshaft has no slop or wiggle.

Is there a seal or gasket between the front differential coupling and the driveshaft? Something else causing this?
Also, does anyone have a good drawing or exploded diagram of this front coupling/driveshaft? My service manual doesn't really have anything other than a couple of pics fully assembled and installed. Links to a drawing or parts would be great!

2007 WK Limited, 5.7, QDII

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Grease under Jeep 1.jpg   Grease under Jeep 2.jpg   Grease under Jeep 3.jpg  
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post #2 of 4 Old 10-17-2021, 03:30 PM
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2007 WK 
Join Date: Sep 2014
Location: duvall
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I cant find any info that shows a gasket where you are loosing grease. You might want to try coating the 2 mating surfaces with RTV.
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post #3 of 4 Old 10-17-2021, 05:02 PM
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It could be your valve cover dripping down onto the drive shaft and then the drive shaft flings it up. By the time the oil drips down it might thicken up and look like grease.
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post #4 of 4 Old 10-17-2021, 11:15 PM
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2005 WK 
Join Date: Oct 2016
Location: Denville, NJ
Posts: 491
that's moly grease from the CV joint on the prop shaft. look for images of your front propshaft, PN 52853431AA, and you can see the weep hole at the end of the CV joint cover that it is puking out of.
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'05 WK Limited 5.7 Hemi
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