TruTrac LSD Problem

Part 1
The Problem
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I went to Eaton website at Detroit Truetrac Differentials and downloaded the pdf file for the True Trac at http://www.eaton.com/ecm/groups/public/@pub/@eaton/@per/documents/content/ct_128482.pdf To get whatever info I could. The phone number listed in the pdf file was NO GOOD (GENERAL INFORMATION AND RECOMMENDATIONS To Contact Tractech Telephone: (586) 759-3850) so I called the Corporate Headquarters at (216) 523-5000 and (800) 386-1911 and they gave me (800) 328-3850 press 3 then press 2 and leave a message. I have called this number since yesterday to see if anyone will answer, NOPE. After calling 30 times BTW I did leave a message and still waiting. Today I called the Corporate Headquarters again and obtained these numbers 248 266-6200, 248 266-6449 and Brent at 248 226-6762 (this is starting to piss me off).
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Well I finally spoke with Brent as an uneducated consumer informing him of the situation. He was very happy to inform me, that he never heard of this before and that they use a $15,000 torque machine to assemble the True Trac before shipping. My problem sounded like it maybe due to an installation issue into a used rear but when I informed him that it was replaced by Nissan after the old rear failed. He though that there was a possibly that the preload was incorrect. (OMG not there problem right!) OK now what are my options? He ask how old is the True Trac and I lied and said that it was a Christmas present so that would make it under a year old. Well, I would need to send the unit back to the place of purchase; they will send it to Eaton to determine “IF” it would be covered under the “Warranty”. Thank God this was not my intention because it would have taken a couple of weeks before I would have the Titan running again. What I really needed was the torque spec and Brent was very helpful with that. The torque spec are 50-55 ft lbs. Thank you Brent.
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This is not a good place to be for some of you, if this problem develops.
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Part 2
The fix
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1)Remove the True Trac from the rear.
2)Remove the bearings from the True Trac and throw the bearing and races into the trash. Yes, you will need two new sets.
3)Remove the six bolts and clean everything thoroughly and if you remove any of the gears they must be reinstalled in the same place and in the same direction they came out. This is highly recommended because of the way the parts have been warn in. Use Loctite Threadlocker 277 or better on all bolt threads and install them finger tight then in a star pattern torque to 20-25 ft lbs the first time, then in a star pattern again to the final torque at 50-55 ft lbs.
4) Turn the True Trac upside down
5) Repeat step “3”
6) Install NEW bearings
7) Install the True Trac back into the rear
8) P.S. USE ONLY DINO 75W-140 Gear Oil and don’t use any stabilizer
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I wrote this to help anyone in need, I was unable to find any “how to rebuild a True Trac” info so this is my best guess. Use at your own risk.
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Good Luck Everyone
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1)Remove the True Trac from the rear.

Does this require backing off the bearing adjusters?

6) Install NEW bearings

Does this require a press?


7) Install the True Trac back into the rear


Does this require using a dial indicator to adjust the lash? (Or maybe you don't have to because you don't have to move the bearing adjusters to get it out?)

bestatchess
1)Remove the True Trac from the rear.

Does this require backing off the bearing adjusters? YES

6) Install NEW bearings

Does this require a press? YES

7) Install the True Trac back into the rear

Does this require using a dial indicator to adjust the lash? (Or maybe you don't have to because you don't have to move the bearing adjusters to get it out? YES a dial indicator is needed to adjust the lash .

Sorry, the fix only covered the TT
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baseballfanz said:

He never heard of it before but didn't Papa_D also talked to Brent?

Nissan Titan Forum: Club Titan Forums - View Single Post - Detroit Trutrac warrenty info please! Urgent!

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Brent must be a Master of Crap
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gweasel77 said:

Ain't that some BS!!! The same guy mysteriously didn't remember Papa_D calling about the same problem. I can't stand lair's!!! Especially when money is involved...What is it w/ people these day's???

LMAO!!! Nice pic Thrust! He get's the BS award. Someone should call him out...

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LOL, if i am not mistaken I had talked to him almost 2 months ago, and had at least of 1/2 hour discussion with him. "never heard of the happening with the locker" that i would have to send the locker back to place i bought it from, blah blah, then they would send it back to eaton for inspection to see what caused the failure. blah blah, " make sure the installer used lock tite, blah blah. I was floored that they make it not worth your time to get a new tt especially after inspection done by a local shop saying that the bolt (s) backed out of the locker and is obvious that the truetrac failed. what horse crap! finally after seeing that i was getting nowhere i just said f__c__it! another company not backing up their product!!!!! So i am out a locker that lasted about 12,000 mi..........I effin hate eaton's so called warranty gaurentee or I should say " sorry bud but we never heard of that happening, so this is what you need to do, but let me tell you that it will probably not get warrantied but if you want to try your more than welcome to ship it back at your cost " what a joke!