So Here's the DAMAGED Diff. Pinion Smacked Cage - Second Generation Nissan Xterra Forums (2005+)
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post #1 of 13 (permalink) Old 01-11-2016, 06:53 PM Thread Starter
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So Here's the DAMAGED Diff. Pinion Smacked Cage



Now for those who followed this issue..
I finally got to a diff specialist after the grinding noise appeared just after custom drive shaft install.. a few weeks ago.. before Christmas..
., Prior to this.. The pinion seals were changed this summer at fn Nissan and then they changed the pinion flange as well and a later time wen I brought it back cause it still leaked....

The mechanic that did the pinion and flange job says the grinding and wear and noise was due to the suspension lift and that the angle of the drive shaft was too much and wore out the bearing...


Now the differential specialist today.. opened everything up.. and found this damage on what I think he called the "cage".

The pinion gear smashed against the 'cage' and cause damage. Now he also said that the bearing is a totally different issue and the bearing would not have caused the pinion to move.. and why the bearing moved out.. he is not sure..

He said good luck fighting Nissan... it ll be a waste of time.. but we both agreed that the flange install is what [email protected]$#! ed up the diff and everything else that goes in there.. I may not purse them but I ll go fn see him and tell what I think of his fn theory.. Sorry for the Fn's, but Im fn pissed!

Here's another pic..


Repair cost $1300.00
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post #2 of 13 (permalink) Old 01-11-2016, 07:09 PM
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Hey Nex,

Sorry about the damage done to your diff. Who is working on your differential now. I'm sure the Nissan dealer, that did the initial work, must have left a sour taste in your mouth.

I have my truck serviced at Spinelli Nissan and got to know the technicians that work on our truck and have complete confidence in their capabilities.

They are honest and haven't had any issues to date.

I hope everything works out OK and you get your amazing rig back in good time.

P.S. Happy New Year, all the best to you and your family.

Joe
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post #3 of 13 (permalink) Old 01-11-2016, 07:55 PM
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**** that sucks I PISSED for you .

Go talk to buddy at nissan for sure be calm at first maybe just maybe they will help when he starts beating around the bush again kick him in the shins


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post #4 of 13 (permalink) Old 01-11-2016, 07:57 PM
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Originally Posted by SteadyHigh View Post
**** that sucks I PISSED for you .

Go talk to buddy at nissan for sure be calm at first maybe just maybe they will help when he starts beating around the bush again kick him in the shins

And then bludgeon him with the pinion he f'd up!


(Don't really do that)


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post #5 of 13 (permalink) Old 01-11-2016, 07:59 PM
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That's "cage" is called a "carrier" which on your rig is the whole locker assembly. Looks like when the pinion flange was installed it must have been a tight fit and rather than sucking it down by tightening the nut, they instead hit the pinion flange repeatedly with a hammer to slide it on. When they did that, they were smashing the pinion all the way back into the carrier. This was caused when the pinion flange was installed.

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post #6 of 13 (permalink) Old 01-11-2016, 08:15 PM
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Surf, I'd like you brain dump all of your knowledge on a thumb drive, so I can refer to it at will.

To the OP, I'm terribly sorry for your troubles, I hope you can get this worked out.


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post #7 of 13 (permalink) Old 01-11-2016, 10:31 PM Thread Starter
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Quote:
Originally Posted by Whitetop55 View Post
Hey Nex,

Sorry about the damage done to your diff. Who is working on your differential now. I'm sure the Nissan dealer, that did the initial work, must have left a sour taste in your mouth.

I have my truck serviced at Spinelli Nissan and got to know the technicians that work on our truck and have complete confidence in their capabilities.

They are honest and haven't had any issues to date.

I hope everything works out OK and you get your amazing rig back in good time.

P.S. Happy New Year, all the best to you and your family.

Joe
I am doing it Trans-Mico on Gouin.. 25 plus years diff and trans family business...I have complete confidence with this guy...
I initially went to 4wheelparts in Chateauguay.. what a bunch of clowns..
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post #8 of 13 (permalink) Old 01-11-2016, 10:40 PM Thread Starter
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Originally Posted by Surf and Snow View Post
That's "cage" is called a "carrier" which on your rig is the whole locker assembly. Looks like when the pinion flange was installed it must have been a tight fit and rather than sucking it down by tightening the nut, they instead hit the pinion flange repeatedly with a hammer to slide it on. When they did that, they were smashing the pinion all the way back into the carrier. This was caused when the pinion flange was installed.
Yes..carrier.. thank you..
I'm gonna go see him and I'm gonna tell him that smashing and hammering parts in is fn not good,. call him a liar and a incompetent mechanic that ****ed up...Im gonna show the pic to the tech adviser that I deal with..and he will take care of it..the damage is indisputable...

Last edited by Nex; 01-11-2016 at 10:43 PM.
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post #9 of 13 (permalink) Old 01-11-2016, 10:43 PM
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I think Surf's prognosis is dead on. The Nissan tech (who in my opinion are 99% of the time on par with jiffy lube techs) prob didn't have an impact capable of getting the crush sleeve and flange to do their thing so he beat the piss out of it with a BFH.

Without getting the backlash or the preload within spec it's going to hum.....right up until it all goes south. From the looks of it the carrier is prob ok as is the ring gear. How's the pinion look? The R&P are much harder than the carrier or housing is. You might be able to get away with just the $140 ish it will cost you for new seals and bearings. Set up should run you $300-500ish.

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post #10 of 13 (permalink) Old 01-11-2016, 11:01 PM Thread Starter
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Originally Posted by Mr_Scott View Post
I think Surf's prognosis is dead on. The Nissan tech (who in my opinion are 99% of the time on par with jiffy lube techs) prob didn't have an impact capable of getting the crush sleeve and flange to do their thing so he beat the piss out of it with a BFH.

Without getting the backlash or the preload within spec it's going to hum.....right up until it all goes south. From the looks of it the carrier is prob ok as is the ring gear. How's the pinion look? The R&P are much harder than the carrier or housing is. You might be able to get away with just the $140 ish it will cost you for new seals and bearings. Set up should run you $300-500ish.
He told me the pinion may.. just may have a little snip on one of the gears that may make some noise.. but nothing noticeable.. carrier is good.. and I asked him if I should get a new pinon.. he said not at all... no need.. ring gear is fine too...

The bearing though is messed up...the bearing is also going to be changed. Its funny how it is completely work just on half the surface circumference.. He had to get a kit for the whole assemble cause Nissan doesn't sell these parts..you need to but the whole diff at nearly 4000 with tax.
Job is going to cost me $1300.00, like I posted in original post.
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