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Topic Review (Newest First)
04-22-2013 04:56 PM
caposto I had the opposite problem: U-joint was too tight. I have an SYE and new driveshaft and the tolerences appear to be a little tighter on my driveshaft for the rear u-joint. I ate through the original u-joint pretty quickly. When I replaced it I really compressed it and still couldn't get the c-clips in. The straps fit perfectly on the diff side. I ended up grinding down the thickness of the c-clips just a tiny bit and it fit into the driveshaft just right.
04-22-2013 08:08 AM
Squirrel 442
Quote:
Originally Posted by AZ WRANGLER View Post
The rear is a different size than all the rest. It is bigger. Make sure you are getting the correct one to fit.

The retards at the parts store will tell you they are the same, but they are not. The fronts will fit, but be about 1/8 shorter. This allows movement and desroys the u-joint.
I have the same issue on my 95 yj 4.0 5 speed. Can move the u-joint when installed. I will get the bigger one for the rear.
04-22-2013 12:02 AM
Holeintwo360 Been having the same problem. Couldn't make a U joint last a week for about a month. My rear end was bad so I replaced that and it helped. But here I am today with another U joint torn to pieces.

My questions is my rear leaf springs are warn out. Just haven't had the money to replace them. But does this cause a slow deterioration of the U joints over time?
08-05-2012 09:38 PM
Charley24
Quote:
Originally Posted by AZ WRANGLER View Post
The rear is a different size than all the rest. It is bigger. Make sure you are getting the correct one to fit.

The retards at the parts store will tell you they are the same, but they are not. The fronts will fit, but be about 1/8 shorter. This allows movement and desroys the u-joint.
Are you taalking about the front and rear u-joints on the rear drive shaft? I replaced mine a month ago, and both were the same part number. I rechecked after reading this thread. Mine are the same size and fit fine. There is no 1/8th gap and they are not loose.
08-02-2012 01:57 PM
Benjamb OK, my 90 YJ (4.2/5 speed) ate two rear U-joints in the last 15 miles. I am wondering if I may have lost the first one due to lose strap bolts and perhaps the second due to damage (bent?) driveshaft from the first failure. I will order new u-joint components and confirm the size but I wonder if I should replace the drive shaft. Is there a rear bearing in the transfer case I could have damaged? Thanks.
08-02-2012 01:22 PM
Carralo1 What year jeep do you have and what part number was the correct one? I need a new u joint in Mine. How do you install the new one? Figured you could help
Seeing Youve done This multiple times.
08-01-2012 06:44 PM
rich jazz Well they were the wrong size, correct box, wrong product inside. Had wrong size for 3 years, what a different jeep it is now.
07-29-2012 05:45 PM
rich jazz Thanks, that would explain why I keep eating ujoints, will order new ones from quadratec.
07-29-2012 04:35 PM
0III0forlife
Quote:
Originally Posted by rich jazz View Post
I think I have same problem. just changed ujoints about 3 months ago and are making noise again. when I tighten straps up, i can still move shaft back and forth a little. would that be the wrong part?
If you still have side to side movement after the straps are tight, then you have the wrong u-joint installed.

The spicer part numbers are 1310(stock for the older YJ's) for the smaller and 1330(stock for the newer YJ's) for the bigger joint. I'm not sure which ones you would need, cause mine is a CV joint shaft that doesnt take either.
07-29-2012 01:31 PM
rich jazz I think I have same problem. just changed ujoints about 3 months ago and are making noise again. when I tighten straps up, i can still move shaft back and forth a little. would that be the wrong part?
04-15-2012 12:06 PM
AZ WRANGLER Make sure the end of the u-joint is touching the little bump stop inside the yolk. There should be little square stop that holds the end of the ujoints in place. If you have the wrong size, it will be short of this little stop by about 1/8". I will get you pics today if I can.
04-15-2012 11:56 AM
90islander Its got a 4" lift but the ds is at a good angle its got a drop kit on it, i cant remember what brand joints i got but ill male sure and get the right joint also
04-15-2012 11:21 AM
AZ WRANGLER The rear is a different size than all the rest. It is bigger. Make sure you are getting the correct one to fit.

The retards at the parts store will tell you they are the same, but they are not. The fronts will fit, but be about 1/8 shorter. This allows movement and desroys the u-joint.
04-15-2012 08:08 AM
HHSOCCER28 Are the sections of the driveshaft all in phase?
04-15-2012 07:40 AM
year1camaro Sounds like your pinion angle could be off.....worn out springs could be the cause.....a lifted jeep could also do it. Or you could just be an animal behind the wheel. lol ....Did you grease the u joints when you changed in the new one before you drove it?
04-15-2012 07:01 AM
95YamJam Are you using cheap joints? Is your jeep lifted? Driveshaft out of balance?
04-15-2012 02:47 AM
90islander
rear ujoint help

i have owned my jeep for 9 months now and i am getting ready to put the 4th ujoint in the rear ds, i have no idea y i keep eating ujoints up

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