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Old 06-29-2012, 07:32 PM   #1
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U-Joints for 2001 TJ

I'll be replacing the U-Joints on my 2001 TJ soon. How are the NAPA Store Brand? Anyone know who makes them for NAPA. I thought they were made by Spicer just not sure.

I'm considering using the type that have grease fitting so they can be maintain regularly. They offer 2 types with fitting; one in the cap and the other type in between the cross. Is one type better than the other? I run 30" tires currently and may go to 31" in the future.

If NAPA brand is not highly rated are there any alternative brands and part numbers? I'm not looking for hardcore extreme use parts, just a good OEM replacement (not Mopar factory).

Thanks for the help.

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Old 06-29-2012, 07:34 PM   #2
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Personally, I'd stick with Spicer u-joints. And due to their internal grease channels, u-joints with grease zerks are weaker, they are not a good idea unless your Jeep lives in a mud pit. Modern sealed u-joints are more durable, long-lasting, and stronger than all but the most expensive hard-core greasable u-joints like from CTM and Ox.

For your TJ, I'd recommend Spicer 5-760x for your axle shafts and Spicer 5-1310x for your driveshafts. You'd have to spend a LOT of $$$ to get a better u-joint than either of those.

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Old 06-30-2012, 04:50 AM   #3
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I just replaced all 3 u-joints on the front drive shaft of my '03 TJ last week. I used NAPA u-joints. 2 were the heavy duty with grease fitting in the cap and one was standard duty with grease fitting in the yoke area. They were made in china (sad!)
I agree the sealed u-joints are stronger since they are not drilled for grease (hollow) but my Jeep is a street Jeep. Never goes off road (my wife's Jeep actually).
The greaseable u-joints in my application are just fine. Keep in mind, on the front drive shaft, there is a CV joint that you may want to replace while it is all apart (I did). That is the most expensive part I bought, about $50. Pretty straight forward job.
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I want to replace the front axle shaft u-joints next but feel that may be a bigger project then the front drive shaft was.
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Old 06-30-2012, 07:40 AM   #4
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Quote:
Originally Posted by Jerry Bransford View Post
Personally, I'd stick with Spicer u-joints. And due to their internal grease channels, u-joints with grease zerks are weaker, they are not a good idea unless your Jeep lives in a mud pit. Modern sealed u-joints are more durable, long-lasting, and stronger than all but the most expensive hard-core greasable u-joints like from CTM and Ox.

For your TJ, I'd recommend Spicer 5-760x for your axle shafts and Spicer 5-1310x for your driveshafts. You'd have to spend a LOT of $$$ to get a better u-joint than either of those.
These are the ones I just installed(your recommendation).they worked out well.
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Old 06-30-2012, 06:20 PM   #5
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I just broke my rear u joint straps while out on the trail and had to limp to the nearest NAPA for a new u-joint and straps and was given a Precision P369 with the grease fitting and new strap kit #360-10. Im not to sure but i dont think the counter guy gave me the right strap kit the new bolts were about 1/2" longer than the old bolts, and the straps were compressing upon torqueing them down to 35lbs.

Im really not impressed with the help i recieved or the parts. I ordered some Spicer's from the local 4wd shop and should be in by next week. The Precision will be a replacment, only to get home and untill iI can stock up on the Spicer's.
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Old 06-30-2012, 07:16 PM   #6
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35 lbs. for the strap bolts??? If I recall correctly, the strap bolts are tightned to no more than 14 ft-lbs.
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Old 07-01-2012, 09:18 AM   #7
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35 lbs. for the strap bolts??? If I recall correctly, the strap bolts are tightned to no more than 14 ft-lbs.
At around 10-20 ft-lbs the straps were about 1/4" from making contact with the u-joint. Not sure if the u-joint or straps were wrong. I just cranked them till they made contact and ended up at 35 ft-lbs.
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Old 07-01-2012, 09:47 AM   #8
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Something isn't right somewhere. The strap placed onto and is thus is in full contact with the u-joint before the screw is even started .

Or do you actually mean the strap is not making contact with the yoke? Is the u-joint properly seated all the way down into the yoke?
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Old 07-01-2012, 09:59 AM   #9
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This is when pictures help!

The straps for mine last time I did u joints were already resting on the yoke and tight to the Ujoint when I started them.
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Old 07-02-2012, 01:58 PM   #10
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Originally Posted by Jerry Bransford View Post
Something isn't right somewhere. The strap placed onto and is thus is in full contact with the u-joint before the screw is even started .

Or do you actually mean the strap is not making contact with the yoke? Is the u-joint properly seated all the way down into the yoke?
Yes, once again you are correct, i had a brain fart and got the two mixed up. I for some strange reason looked at the U shape of the yoke, and called it a u-joint. The straps weren't contacting the yoke. The u joint is fully seated in the yoke, and the yoke doesnt appear to be damaged in anyway. I really dont know what else would be wrong besides either the wrong u-joint or wrong straps. Im just waiting for the new u-joint and straps to come in. Thanks for the Spicer part #'s, now i can at least go in and get the right parts this time.

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