post #1 of Old 04-13-2013, 12:38 PM Thread Starter
dnuccio
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CV vs U joint axle shafts

whats better? cv axle shafts or u joint axle shafts?


Reliability is relative
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post #2 of Old 04-13-2013, 12:54 PM
CJ7-Tim
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Define "better" ?

.

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post #3 of Old 04-13-2013, 01:22 PM Thread Starter
dnuccio
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what would be best suited for a DD/ weekend wheeler? i have cvs right now but im swapping my front axle soon and im wondering if i should keep the u joint shafts that are coming with the new axle, or just keep my cvs and sell the u joint ones?

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post #4 of Old 04-13-2013, 01:43 PM
CJ7-Tim
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U-joints are stronger than CV joints, and u-joints are replaceable. CV joints run a little bit smoother, which is desirable for Full-Time 4x4 equipped Jeeps. Given a choice, most off-road users would probably choose to have u-joints.

.

A recent Gallup public opinion poll shows the NRA, at 58% approval, has a higher approval rating than either Hillary Clinton or Barack Obama.

Progressive Liberalism: Bringing you new Healthcare ideas so wonderful, they have to include mandatory participation ...

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post #5 of Old 04-13-2013, 03:50 PM Thread Starter
dnuccio
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excellent. i will swap to the u joint style shafts, because i dont think i will use full time 4x4 much. it doesnt snow here and we dont get too much rain, so the only 4x4 modes i would be using is part time and low.

i seem to remember reading that some XJs came with bigger u joint on the axle shafts? if so, which ones was it? id love to upgrade from stock ZJ ones if the XJs are better.

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post #6 of Old 04-13-2013, 04:26 PM
kg6mov
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CV's are plenty strong, the only advantage on the axles is that you have a chance of repairing the shaft on the trail.

I'm not a fan, for dd uses I keep cvs on both jeeps. I love full time 4wd, even on dry pavement there is a difference in handling for the better.

Maybe I'll change my tune after I snap a shaft on the trail, maybe.

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post #7 of Old 04-13-2013, 04:41 PM
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One of my CV's let go on me yesterday. I wasn't even wheeling either, just turning to back into my parking spot :'(

Luckily, I got it on camera (in jeep cam) [ame]http://www.youtube.com/watch?v=rk6exTxUVqE[/ame]

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...so assuming your Jeep is right-side-up you should be ok.
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post #8 of Old 04-13-2013, 05:07 PM
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I ran CVs even with the crate 5.9. It's what you want to run. Most run CVs and never have and issue with them.

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post #9 of Old 04-13-2013, 05:12 PM
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Quote:
Originally Posted by kg6mov View Post
CV's are plenty strong, the only advantage on the axles is that you have a chance of repairing the shaft on the trail.

I'm not a fan, for dd uses I keep cvs on both jeeps. I love full time 4wd, even on dry pavement there is a difference in handling for the better.

Maybe I'll change my tune after I snap a shaft on the trail, maybe.
Doin a swap on the trail isn't bad (happened to me last year). I didn't know s*** about how to pull it out but was with a great group of guys and we stopped and pulled out the shaft and then I drove/got pulled out in 3wd But at least I made it out. Mine is a AT-4wd so I like the cv's since it's my dd. I am going to start wheeling more so maybe I'll end up swapping them after i break 3 or 4 cv's lol.

Quote:
Originally Posted by Chris_W_2k5 View Post
One of my CV's let go on me yesterday. I wasn't even wheeling either, just turning to back into my parking spot :'(

Luckily, I got it on camera (in jeep cam)
oh the familiar sounds lol

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post #10 of Old 04-13-2013, 05:54 PM
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After pulling myself together I decided to go see what kind of scraps I could find and what it looked like underneath

It's a 96 ZJ limited. Would anyone be able to tell me if I'm going to find C-clips, or will I just be able to slide the axle shaft out?




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Quote:
Originally Posted by Crashnburn80
...so assuming your Jeep is right-side-up you should be ok.
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post #11 of Old 04-13-2013, 06:14 PM
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mine didn't have a c-clip...pop the wheel, brake assembly and hub off and slid the shaft right out....heard that some do/passenger side (mine was on the drive side) but Idk for sure.

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post #12 of Old 04-13-2013, 07:58 PM
Chris_W_2k5
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Guess I'll have to find out when I do it. Gotta wait for the part to come in though. The part store didn't have any in stock. Stuck at home till Monday.

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Quote:
Originally Posted by Crashnburn80
...so assuming your Jeep is right-side-up you should be ok.
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post #13 of Old 04-13-2013, 08:15 PM
tucsonzj
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Quote:
Originally Posted by Chris_W_2k5 View Post
Guess I'll have to find out when I do it. Gotta wait for the part to come in though. The part store didn't have any in stock. Stuck at home till Monday.
Just a friendly reminded, don't drive it til you at least see if you can pull the shaft (seriously pull the hub and if the shaft doesn't come out with relative ease, well someone else is gonna have to chime in). Don't wnat to mess up the spider gears or anything.

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post #14 of Old 04-13-2013, 09:34 PM
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Ujoints, bigggest issue is peopke buy a zj anf the cv shafts r almost pooched anyway so they temd to go. Out nee ones in Im sure they are fine. But when cv joints go it sucks ujoints r easy to replace.

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post #15 of Old 04-13-2013, 10:01 PM
kg6mov
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It's pretty easy to swap the cv shaft.

Pop the wheel off, pull the caliper off the knuckle (2x13mm bolts), pull the rotor off (falls off after the caliper is off), pull the cv shaft nut (35 or 36mm, factory is 36 but many aftermarket are 35), pull the three hub bolts (funny 12pt heads), may have to pull the abs sensor to get the shaft out, but it just pulls out.

Be careful putting the new shaft in not to damage the oil seals at the diff.

Reverse puts it back together. Knuckle to hub bolts get 75 ft lbs, axle nut gets 175 ft lbs.

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