Front differential side seal - Nissan Armada Forum: Armada & Infiniti QX56 Forums
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Old 01-21-2017, 02:31 PM Thread Starter
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Front differential side seal

Pulled my front diff off to replace leaky side seal got it installed but I can't figure out where to install circlip looked at fsm but nothing shows where circlip gets installed I know theres usually a Grove but there's nothing on this one and the one that I pulled out did not have a circlip installed.

Any help would be very much appreciated
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Old 01-21-2017, 08:45 PM
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If you haven't done it yet, drain the diff fluid look for metal chunks/pieces. The end of that passenger side axle shaft is definitely missing the circlip and a narrow band of teeth. When I changed the flange seals on both sides of the front diff, I installed new circlips on each shaft.
I attached a pic from titantalk.com which shows the driver's side axle shaft end with the circlip. The passenger side axle shaft has the same end.
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Old 01-21-2017, 09:38 PM Thread Starter
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If its missing a narrow band of teeth do you think I need a new passenger side axel shaft?

When I drained diff it was like thick silver fluid

Removed cover from diff and was shocked when I saw the piece from side shaft broken inside.I removed it and now I don't know if I should source a whole diff from an 08 and up or should I just buy a new side shaft from dealer?or maybe even buying a new diff from dealer $1500 is insane for diff.I really want a diff that's gonna hold up and not have to worry if the shafts are going to come out or explode
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Last edited by marctronixx; 02-13-2018 at 08:14 PM.
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Old 01-23-2017, 08:11 AM
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Just looking at the diff fluid you drained out, a thick sliver like color is usually a sign of water mixed with the fluid. Also likely the front diff fluid was either never or hardly serviced at all. You did the right thing by opening up the diff cover and found the damaged end of the axle shaft. Inspect the gears/teeth inside the diff to rule out any damage since the axle shaft maybe the only part you'll need.

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Old 01-24-2017, 10:17 AM Thread Starter
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Sounds good thanks do you think this would be an on going problem even with replacing axel shaft for a new one

What's the best option so this won't happen again

Last edited by marctronixx; 02-13-2018 at 08:14 PM.
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Old 01-24-2017, 10:51 AM
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Quote:
Originally Posted by Nissanlover View Post
Sounds good thanks do you think this would be an on going problem even with replacing axel shaft for a new one
The pinion gears/teeth seem to be all intact but to be safe, I'd thoroughly look it over to see if anything was damaged. With the diff already open, pour new fluid on pinion gears/teeth and some inside the diff, rotate the driver's side cv flange, 1/4 turns, take pics, notes, etc. to rule out any damage.

Quote:
Originally Posted by Nissanlover View Post
What's the best option so this won't happen again
Luckily, your front diff doesn't have signs of catastrophic failure. I recall reading about Titan owners blowing up the front diff from being engaged in 4WD and pulling in reverse. You'd know immediately because those pinion gears wouldn't be intact, more so in pieces.

When I installed new circlips, I did notice they were slightly thicker than the original counterparts. I probably have close to 35-40K miles on the new circlips, flange seals, rear main seal. I also have 22s with AT tires which put a bit more stress on the drivetrain and haven't any issues since changing them.

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Old 01-26-2017, 01:13 PM Thread Starter
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Thanks man you gave me the hope I was looking for lol but yeah I looked over the teeth and everything seems to be intact.
Thanks again on my way to dealer to order part.
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Old 02-13-2018, 02:31 PM
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Quote:
Originally Posted by primoV8 View Post

When I installed new circlips, I did notice they were slightly thicker than the original counterparts. I probably have close to 35-40K miles on the new circlips, flange seals, rear main seal. I also have 22s with AT tires which put a bit more stress on the drivetrain and haven't any issues since changing them.
Do you have the part number for the updated circlips?

My driver's side axle popped out enough to prevent 4wd from functioning, but I was able to shove it back into position, and it's stayed in for the last week or so. If it comes loose again, I'd like to just pull out the C/V axle, stub axle (that's what it's called right?) and replace the circlip with the newer style before anything breaks.

Additionally, I've come to notice a vibration coming from that axle from 55mph - 65ish mph. There was no vibration while the axle was unseated, but returned once I shoved it back in. I'm thinking the bearing is worn out. Your thoughts?

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Old 02-14-2018, 10:13 AM
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Nissan circlip 382258S11A

Only way to rule out damage inside the front diff is to drop it and open up the cover; inspect the pinion gears/teeth as what Nissanlover had to do. Also, anytime the cv flange continues to pop out of place, its a sign the circlip has worn down. With the front diff out, I'd replace the (2) cv flange seals and rear main seal since it easier with the diff out of the subframe.

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Old 02-15-2018, 10:20 AM
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Quote:
Originally Posted by primoV8 View Post
Nissan circlip 382258S11A

Only way to rule out damage inside the front diff is to drop it and open up the cover; inspect the pinion gears/teeth as what Nissanlover had to do. Also, anytime the cv flange continues to pop out of place, its a sign the circlip has worn down. With the front diff out, I'd replace the (2) cv flange seals and rear main seal since it easier with the diff out of the subframe.
Thanks for the info.

As far as potential damage, I think I'm OK, for now. The stub shaft slid back into place, and wouldn't come back out as I yanked on it. I think that means the end of the shaft hasn't sheared off. The front end is also functioning as it should through the 2Hi-4Lo range.

The only issue I have with the front diff. is that there is a vibration from around 55mph through 65ish mph. The vibration was gone for the duration of time (about a day) that the stub shaft had slid .75"-1" out of the diff. (but not completely out.)

From the pictures I've see online of the inside of the carrier/diff., there is a bearing that supports the stub shaft. I am making a wild guess that that bearing is worn out, causing the vibration.

I'd like to do some research this weekend (I work two jobs and have no free time during the week for prolonged internet browsing... like now ) to see how easy/hard it is to test/replace that bearing.

I don't want to buy a replacement front diff. if I don't have to.

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