U Joints
Post Fiend
Joined: Mar 2002
Posts: 19,402
Likes: 38
From: Bonita Springs FL
I don't like greasable joints for a couple of reasons. One, the grease channels make the joint weaker. Two, when you grease them, force always attacks the weakest point. The grease tends to flow out only one cap. It becomes impossible to properly grease the other 3. And finally, non-greasable joints are designed to not have to be greased so you can generally throw them on there and not worry about them for 100k or so.
Fleet Owner
Joined: Apr 2012
Posts: 27,307
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From: Spanaway
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More Turbo
Joined: Sep 2016
Posts: 580
Likes: 4
From: Michigan
This was from awhile back. It got buried in my emails. The numbers are for Spicer u joints. Is it possible for anyone to verify that I have the correct part numbers for the U joints in the drive shaft? Thanks.
Lead Driver
Joined: Dec 2006
Posts: 7,093
Likes: 147
From: San Diego, CA
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More Turbo
Joined: Sep 2016
Posts: 580
Likes: 4
From: Michigan
Good. Does Spicer also make a carrier bearing? The rubber on mine is a little wopped out. I figure I might as well replace all three u joints and the bearing. Hopefully not anything in the rear end. I've been hearing horror stories about bad driveshaft parts cracking transmissions. So the front shaft before the bearing is the other part number then?
Lead Driver
Joined: Dec 2006
Posts: 7,093
Likes: 147
From: San Diego, CA
211359X for the carrier bearing from the parts list (at least for the 2003).
The 5-1410X is for both or all three u-joints on the rear driveshaft between the transfer case and rear differential (depending on your wheelbase). The 5-1350X is for the three u-joints on the front driveshaft forward of the the transfer case. For the front axles you need two more 5-1350X (if you have a Dana 50) or two SPL55-3X (if you have a Dana 60).
The 5-1410X is for both or all three u-joints on the rear driveshaft between the transfer case and rear differential (depending on your wheelbase). The 5-1350X is for the three u-joints on the front driveshaft forward of the the transfer case. For the front axles you need two more 5-1350X (if you have a Dana 50) or two SPL55-3X (if you have a Dana 60).
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More Turbo
Joined: Sep 2016
Posts: 580
Likes: 4
From: Michigan
211359X for the carrier bearing from the parts list (at least for the 2003).
The 5-1410X is for both or all three u-joints on the rear driveshaft between the transfer case and rear differential (depending on your wheelbase). The 5-1350X is for the three u-joints on the front driveshaft forward of the the transfer case. For the front axles you need two more 5-1350X (if you have a Dana 50) or two SPL55-3X (if you have a Dana 60).
The 5-1410X is for both or all three u-joints on the rear driveshaft between the transfer case and rear differential (depending on your wheelbase). The 5-1350X is for the three u-joints on the front driveshaft forward of the the transfer case. For the front axles you need two more 5-1350X (if you have a Dana 50) or two SPL55-3X (if you have a Dana 60).
Lead Driver
Joined: Jul 2004
Posts: 5,946
Likes: 62
From: in the woods of MA
I'll throw in support for grease-able u-joints. Technically they make not be as strong, but I've never had one fail on me. I do not do off road craziness, but I do a fair amount of plowing. I've exploded a driveshaft plowing, but the (grease-able) u-joint was still in perfect shape. IMHO any added grease is better than none. 
Logistics Pro
Joined: Aug 2007
Posts: 3,974
Likes: 18
From: Millersburg, OH
So when I'm on a hill in the driveway and I put the truck in park sometimes it acts like it doesn't quite lock and then rocks and locks into park with a clunk noise. A couple weeks it started acting like the neutral safety switch was going bad because I had to put in in neutral to start. Bosses truck is the same way. Are the two issues related or does it go back to U joints?
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JoeDirt68
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