Front differential leak - Nissan Titan Forum
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post #1 of 16 (permalink) Old 04-29-2012, 02:22 PM Thread Starter
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Front differential leak

Sorry if this has been discussed in another thread. My search fu could be off.

My truck is a 2006 Titan 4x4 with 68,000 miles. For the last 18 months the truck has seen weekend only use. I bought the truck brand new from the dealer, it has not been used to haul anything, and has not been off roaded. It used to be my daily commuter, but now I use the wifes Honda (so much better on gas) to go back and forth to work.

The truck starts to get a vibration when I hit 80 mph and then almost diminishes at 85 mph. So I went underneath the truck today to see if anything caught my eye. I found this at the front differential at the drive shaft input.



I also noticed some slight play / movement in the universal joint on the front driveshaft nearest the transfere case. (not sure if this has anything to do with the leak or vibration)

I have seen the lengthy thread on real axel leaks, I was wondering if anyone is having the same problem with the front axel?
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post #2 of 16 (permalink) Old 04-29-2012, 02:36 PM
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Re: Front differential leak

I had this same issue on my 06 armada and after couple days of research found a great step by step guide on here. And I decided to Do it my self which turned out to be a awesome idea cause it was really easy besides the time for the learning curve. Dealer wanted 350 to do the job so I just bought the seal and jumped in. here is link to the thread has pictures and everything. Good luck.

Front Pinion Seal How to Fix it
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post #3 of 16 (permalink) Old 04-29-2012, 02:44 PM Thread Starter
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Re: Front differential leak

Thanks for the link, any idea on the vibration?
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post #4 of 16 (permalink) Old 04-29-2012, 03:03 PM
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Re: Front differential leak

Na, I can't say they are related as I never had any vibration when my seal blew. And it was leaking for awhile till I got a clear day to fix it.
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post #5 of 16 (permalink) Old 04-29-2012, 03:05 PM
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Re: Front differential leak

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Originally Posted by medic2264 View Post
Thanks for the link, any idea on the vibration?
Sounds like you might be on the right track with U-joint.

Worn U joints caused my highway vibrations [Archive] - Nissan Armada Forum: Armada & Infiniti QX56 Forums




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post #6 of 16 (permalink) Old 04-29-2012, 06:02 PM Thread Starter
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Re: Front differential leak

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Originally Posted by bestatchess View Post
Survey says "bing bing bing #1 answer!!!"

So when I replace the seal on the front differential, I guess it would be a good time to replace the U joints on the front drive shaft. With the link to the Armada web site a lot of people were replacing the U joints with non sealed (grease fittings) VS sealed units. Any opinions on that, and where to purchase new u joints other than the dealership. I understand you need to get the seal for the front differential from Nissan.
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post #7 of 16 (permalink) Old 04-29-2012, 06:31 PM Thread Starter
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Re: Front differential leak

RockAuto has replacement part AC Delco


ACDELCO Part # 45U0111 {#89029293} GREASABLE U-JOINT 12.50

Total with shipping for 2 U joints $33.44

Auto parts warehouse has same part for $22.46

Total with shipping for 2 U joints $50.42


Anyone had a problem ordering from RockAuto?
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post #8 of 16 (permalink) Old 04-29-2012, 07:30 PM
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Re: Front differential leak

Quote:
Originally Posted by medic2264 View Post
Survey says "bing bing bing #1 answer!!!"

So when I replace the seal on the front differential, I guess it would be a good time to replace the U joints on the front drive shaft. With the link to the Armada web site a lot of people were replacing the U joints with non sealed (grease fittings) VS sealed units. Any opinions on that, and where to purchase new u joints other than the dealership. I understand you need to get the seal for the front differential from Nissan.
I saw one post where a guy took the driveshaft to a driveshaft shop and they replaced the U-joints and balanced the shaft for a reasonable fee. Spicer also makes both sealed and unsealed U-joints. Some people say that the sealed U-joints are stronger because they are not weakened by the lubrication hole/channel and you don't have to crawl under the truck and grease them. Other people say the greasable joints last longer.




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post #9 of 16 (permalink) Old 04-30-2012, 03:05 AM
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Re: Front differential leak

Quote:
Originally Posted by medic2264 View Post
RockAuto has replacement part AC Delco


ACDELCO Part # 45U0111 {#89029293} GREASABLE U-JOINT 12.50

Total with shipping for 2 U joints $33.44

Auto parts warehouse has same part for $22.46

Total with shipping for 2 U joints $50.42


Anyone had a problem ordering from RockAuto?
Never had a problem with Rock Auto, they are my first stop as long as I dont need the part yesterday.

They are sponsor here, so supporting them is a good thing.

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post #10 of 16 (permalink) Old 03-08-2016, 02:07 PM
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Just noticed this on my 2010 SE CC. I don't have any spots in the driveway, it must just be starting to leak. I won't be able to do the work for a few weeks. I have a bunch of stuff going on the next 2 months on the weekends. Is it okay to drive the truck until i can do it as long as i stay out of 4x4? Im well out of warranty and cant afford to have it done.
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post #11 of 16 (permalink) Old 03-08-2016, 02:51 PM
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Re: Front differential leak

I would check the fluid level and top it off. As long as you keep an eye on it and make sure the fluid level stays up where iy nreds to be you should be alright...providing the leak doesn't get any worse. Personally, I wouldn't let it go too long though.

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post #12 of 16 (permalink) Old 03-08-2016, 03:14 PM
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Re: Front differential leak

I drove mine 150 miles to the dealer a few weeks after it started leaking, you should be fine keeping it topped off, they replaced mine under warranty (36K miles in 2014)

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post #13 of 16 (permalink) Old 03-10-2016, 03:39 PM
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Thanks for the info. I havent driven the truck the last 2 days, wife has been sick so ive been driving her car. Shes going back to work tomorrow so im gonna check and top up the front diff. Im assuming the fluid is from the factory. I bought it certified with 31k on it. Now has 85k. I would feel its safe to assume its the original fluid. What type should i buy to top it off? When i do the pinion seal im gonna put full synthetic in, but i dont know whats in there now. If its natural and i add syn, will that be an issue. Or vice cersa. Ill be doing the pinion seal next weekend.

Thanks for any info.
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post #14 of 16 (permalink) Old 03-11-2016, 08:32 AM
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Re: Front differential leak

Meh, the amount your gonna need to top it off is probably not enough to even worry about.

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post #15 of 16 (permalink) Old 03-11-2016, 12:18 PM
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Mine was leaking on my 06, but after I changed out my bad u-joints it stopped leaking. I'm not advocating not changing the seal while your at it, but mine stopped leaking from what I can only assume was too much play in the driveshaft.
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