My ujoints are on their way out so I'm looking to get the beefier ones from NAPA, but they're asking me what size my yolk is... I have no idea (is it really any of their business?
)
Anyway, how would I find out? My options are 3.5" or 4"
Thanks.
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| Rear Driveshaft U-Joints http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=3&t=41390 |
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| Author: | BeepBeepJeepJeep [ Fri Mar 20, 2009 11:22 am ] |
| Post subject: | Rear Driveshaft U-Joints |
My ujoints are on their way out so I'm looking to get the beefier ones from NAPA, but they're asking me what size my yolk is... I have no idea (is it really any of their business? )
Anyway, how would I find out? My options are 3.5" or 4" Thanks. |
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| Author: | jeepkj02 [ Fri Mar 20, 2009 1:47 pm ] |
| Post subject: | |
4" yoke. That is what I used in my 2002 sport 4x4 auto 45rfe. |
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| Author: | CRDMiller [ Fri Mar 20, 2009 3:22 pm ] |
| Post subject: | |
Do yourself a favor and don't use greasable joints (Hollow body) The dana solid cross (similar to what came on the liberty) Is one of the better out there. |
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| Author: | BeepBeepJeepJeep [ Fri Mar 20, 2009 3:27 pm ] |
| Post subject: | |
jeepkj02 wrote: 4" yoke. That is what I used in my 2002 sport 4x4 auto 45rfe.
Thanks. I already ordered both the 3.5" and the 4" and will take back whichever I don't need. I will report back to let you guys know! 
Oh and, I've already had poor experience with greasable joints. Non-greasable all the way!!! |
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| Author: | ShafferNY [ Fri Mar 20, 2009 6:29 pm ] |
| Post subject: | |
I always buy the greasable ones. Never had problem. You do have to install them correctly for strength though. |
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| Author: | Guest [ Fri Mar 20, 2009 6:42 pm ] |
| Post subject: | |
Uh Totally confused as to what problems people have out of greasable U-joints 
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| Author: | Jeepjeepster [ Fri Mar 20, 2009 7:15 pm ] |
| Post subject: | |
ThunderbirdJunkie wrote: Uh
Totally confused as to what problems people have out of greasable U-joints x2. Why dont we all go buy sealed ball joints as well. 
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| Author: | Guest [ Fri Mar 20, 2009 9:58 pm ] |
| Post subject: | |
Screw it. When ThunderbirdJunkie needs balljoints next He is just going to run a big bolt from the LCA to the knuckle, eliminating the need for said balljoint! |
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| Author: | tjkj2002 [ Fri Mar 20, 2009 10:07 pm ] |
| Post subject: | |
The rear driveshaft uses 1310 u-joints. |
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| Author: | JeepinJarhead03 [ Fri Mar 20, 2009 10:30 pm ] |
| Post subject: | |
high-torque / high driveline shock applications will fail greasables 4 to 1 in comparason to solids I used to snap them right across where the grease fittin went in i don't think i'd worry an awful much about greasables in our KJ's run whatever makes ya sleep good at night |
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| Author: | tjkj2002 [ Fri Mar 20, 2009 10:36 pm ] |
| Post subject: | |
JeepinJarhead03 wrote: high-torque / high driveline shock applications will fail greasables 4 to 1 in comparason to solids If your breaking 1310 u-joints,greaseable or not,in a KJ you shouldn't be where you were I used to snap them right across where the grease fittin went in i don't think i'd worry an awful much about greasables in our KJ's run whatever makes ya sleep good at night  .Every high torque app I have seen uses greaseable u-joints,granted the u-joints are 10 times the size as the KJ's 1310's.
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| Author: | 03CDKJ [ Fri Mar 20, 2009 10:40 pm ] |
| Post subject: | |
Hey troy... Will these U joints fit? http://store.summitracing.com/partdetai ... toview=sku |
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| Author: | Guest [ Fri Mar 20, 2009 10:57 pm ] |
| Post subject: | |
Those are the exact ones ThunderbirdJunkie has in his KJ |
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| Author: | JeepinJarhead03 [ Fri Mar 20, 2009 11:09 pm ] |
| Post subject: | |
they didnt make greasable ujoints for my cheyenne that were big enough for me not to break them.. guess i coulda changed yokes and dshafts and used a light dumptruck ujoint 
because i broke the solid ones frequently too just nowhere near as frequently as the greasables my T/A would break a greasable every now and then too but you're right, in a KJ shouldn't be breakin either one like i said, don't see why the greasers won't work just fine
guess im kinda comparing apples to oranges here but the solids let me sleep at night
but yeah, 10-50 lb ujoints are greasable because they usually require removing a 100 lb driveshaft while your head is squeezed between the rear tires of a dump truck to remove them i just meant with typical passenger apps |
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| Author: | pg2676 [ Tue Mar 24, 2009 1:00 am ] |
| Post subject: | |
I see there are two choices for u-joints for the rear. Neapco #'s 1-0153 and 2-0048. What size outside lock up is on my 03 KJ V6? Anybody use the Neapco Brute Force series? How big a job is it to change the rear shaft joints in the driveway? |
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| Author: | tjkoen01 [ Tue Mar 24, 2009 12:16 pm ] |
| Post subject: | |
i just changed my u joints a couple months ago. these u joints have the grease fitting* on the cap so there is no stress riser on the cross...i'd imagine that they are just as strong non-greaseable ones. * they are not the typical zerk fitting we are all used to. these require a needle type adapter to get the grease in. messy but effective. |
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| Author: | pg2676 [ Tue Mar 24, 2009 4:02 pm ] |
| Post subject: | |
tjkoen01 wrote: i just changed my u joints a couple months ago. these u joints have the grease fitting* on the cap so there is no stress riser on the cross...i'd imagine that they are just as strong non-greaseable ones.
* they are not the typical zerk fitting we are all used to. these require a needle type adapter to get the grease in. messy but effective. Brand? Part Number? |
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| Author: | tjkoen01 [ Tue Mar 24, 2009 8:40 pm ] |
| Post subject: | |
pg2676 wrote: tjkoen01 wrote: i just changed my u joints a couple months ago. these u joints have the grease fitting* on the cap so there is no stress riser on the cross...i'd imagine that they are just as strong non-greaseable ones. * they are not the typical zerk fitting we are all used to. these require a needle type adapter to get the grease in. messy but effective. Brand? Part Number? i've slept since then! i bought the u joints from o'reilly's...It was either a p/n 270 or 280, whichever is for the 4 inch yoke....i want to say it was the 270. |
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| Author: | pg2676 [ Tue Mar 24, 2009 10:22 pm ] |
| Post subject: | |
tjkoen01 wrote: pg2676 wrote: tjkoen01 wrote: i just changed my u joints a couple months ago. these u joints have the grease fitting* on the cap so there is no stress riser on the cross...i'd imagine that they are just as strong non-greaseable ones. * they are not the typical zerk fitting we are all used to. these require a needle type adapter to get the grease in. messy but effective. Brand? Part Number? i've slept since then! i bought the u joints from o'reilly's...It was either a p/n 270 or 280, whichever is for the 4 inch yoke....i want to say it was the 270. Thats a Precision P/N. I checked the O'Reilly's web site and it wasnt very helpful in the selection. I guess I'll have to get under it unless someone knows which joint is for the 3.73 rear. |
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