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Deadguy Member
Joined: Jun 09, 2011 Posts: 776 Location: Bellmore, NY
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Posted: Tue Feb 14, 2012 12:05 am Post subject: U joints |
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I want to replace my U-joints. I have no idea how long the old ones have been there, and I lost a driveshaft on one of my previous jeeps do to a ujoint coming apart (it did have a lift tho, which probably exacerbated the problem).
They range in price from $10 from Rapco, to close to $80 from Morris 4x4 (although those are probably super heavy duty ones for lifted vehicles). Any opinions on what I should get? _________________ 1952 M38A1
Marine core reinforced rear bumper, military transistorized turn signal upgrade, arctic heater, 11" drum brakes, 200L PTO winch, Huffy overdrive, deep water fording kit, RT 68 vehicle mounted radio, Trac Locs front and rear.
www.danhenk.com |
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danrothe2001 Member
Joined: Oct 24, 2011 Posts: 48
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Posted: Tue Feb 14, 2012 6:19 am Post subject: |
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Spicer part number 5-153X. Don't buy into the super duty non greasable ones. Install them so that the grease zerk is in compression while driving and they will be just as strong. We sell them where I work for $15.00 each. Unless you are concerened about show points and need NOS joints.
Dan |
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donthedickens Member
Joined: Jul 30, 2011 Posts: 110 Location: Southeast, NC
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Posted: Tue Feb 14, 2012 8:31 am Post subject: |
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danrothe2001 wrote: | Spicer part number 5-153X. Don't buy into the super duty non greasable ones. Install them so that the grease zerk is in compression while driving and they will be just as strong. We sell them where I work for $15.00 each. Unless you are concerened about show points and need NOS joints.
Dan |
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Dan,
Please explain the " Install them so that the grease zerk is in compression while driving".
That sounds like something I need to know.
Thanks.. _________________ Don Norris
Southeast, NC
53 CJ3B F134
59 Willys Pick-up truck
54 CJ3B is my M606 wanta-be in progress (rough)
M100 trailer |
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danrothe2001 Member
Joined: Oct 24, 2011 Posts: 48
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Posted: Tue Feb 14, 2012 10:53 am Post subject: |
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Imagine the driveshaft in the vehichle and twist it. The twisting action should close the hole for the grease zerk, not open it.
Dan |
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donthedickens Member
Joined: Jul 30, 2011 Posts: 110 Location: Southeast, NC
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Posted: Tue Feb 14, 2012 12:13 pm Post subject: |
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danrothe2001 wrote: | Imagine the driveshaft in the vehichle and twist it. The twisting action should close the hole for the grease zerk, not open it.
Dan |
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I can't wrap my brain around that yet,, but I WILL get one in my hand and look at it real hard.
Thank you for a pointing out the weak spot in a greasable u-joint. _________________ Don Norris
Southeast, NC
53 CJ3B F134
59 Willys Pick-up truck
54 CJ3B is my M606 wanta-be in progress (rough)
M100 trailer |
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Bretto Member
Joined: Nov 24, 2010 Posts: 1390 Location: Orem, UT
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Posted: Tue Feb 14, 2012 12:44 pm Post subject: |
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Makes sense to me. Detemine which way the driveshaft rotates when the vehicle drives forward. Put the zirk hole ahead of the bearing caps of this motion. Also make sure they are pointed the right way to make it easy to get a grease gun in there as sometimes the zirks are angled.
-Brett _________________ Brett
'51 M38
PHOTO DIARY OF MY BUILD |
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artificer Member
Joined: Feb 16, 2007 Posts: 206 Location: Gold Coast Australia
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Posted: Tue Feb 14, 2012 2:06 pm Post subject: |
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I think someone needs to post a picture or two as the previous words do not explain adequately.
If I did not know how, the words just don't cut the mustard. _________________ John GIBBINS
ASE Master Medium/Heavy Truck & Auto Technician 2002 USA
Licensed Motor Mechanic NSW # MVIC 49593 Current
YOU CAN'T TROUBLESHOOT WHAT YOU DON'T UNDERSTAND |
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kenperkins Member
Joined: Apr 14, 2005 Posts: 285 Location: Livermore Ca.
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Bretto Member
Joined: Nov 24, 2010 Posts: 1390 Location: Orem, UT
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Posted: Tue Feb 14, 2012 3:19 pm Post subject: |
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Ya, pics are worth a thousand words they say. If no one chimes in with a pic on the hole placement, I will do it later. I dont have time right now. Ken's link shows how to properly point them for greasing but doesnt point out the placement for strength. _________________ Brett
'51 M38
PHOTO DIARY OF MY BUILD |
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artificer Member
Joined: Feb 16, 2007 Posts: 206 Location: Gold Coast Australia
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Posted: Tue Feb 14, 2012 3:45 pm Post subject: |
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A couple of points about the link....it should not be necessary to use hammers on the cups when pulling apart & never when assembling.
All you need is a good vyce & a set of sockets to press the assy's apart.
Remove zerks before p[ulling appart & note where the grease nipples are if theuy were working properly....compare with new joints to ensure they are made the same & in correct alignment....often they are not!
Just ensure after assy & the circlips are in place that you place the shaft eyes over the vyce jaws & that is when you use the hammer, to ensure all bearing cups are out against the circlips & thus centralised.
Lastly fit the grease nipples & give a squirt then wipoe away excess grease. _________________ John GIBBINS
ASE Master Medium/Heavy Truck & Auto Technician 2002 USA
Licensed Motor Mechanic NSW # MVIC 49593 Current
YOU CAN'T TROUBLESHOOT WHAT YOU DON'T UNDERSTAND |
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Bretto Member
Joined: Nov 24, 2010 Posts: 1390 Location: Orem, UT
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Posted: Tue Feb 14, 2012 5:57 pm Post subject: |
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Say this is the axle end. If the rotation to drive the drive the axle forward is the same as the yellow arrow, then this will theoretically close up the zirk instead of opening it up. This is all relative to the power or receiving end. The other end of this shaft would have the zirk on the other side since it would be receiving power in.
_________________ Brett
'51 M38
PHOTO DIARY OF MY BUILD |
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donthedickens Member
Joined: Jul 30, 2011 Posts: 110 Location: Southeast, NC
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Posted: Tue Feb 14, 2012 7:38 pm Post subject: |
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Bretto wrote: | Say this is the axle end. If the rotation to drive the drive the axle forward is the same as the yellow arrow, then this will theoretically close up the zirk instead of opening it up. This is all relative to the power or receiving end. The other end of this shaft would have the zirk on the other side since it would be receiving power in.
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Bret,
That picture and write up did the trick. I can now see the stress points and the problems that can exist.
MANY THANKS to all who helped me. _________________ Don Norris
Southeast, NC
53 CJ3B F134
59 Willys Pick-up truck
54 CJ3B is my M606 wanta-be in progress (rough)
M100 trailer |
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