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If you have had a rear axle seal failure or blown diff, please report it to the NHSTA. We need to get something done so that we do not have to pay for this out of pocket once our warranties are expired. This is a safety issue because the fluid leaks all over the brakes, and can cause brake failure. My seal went out in March and was replaced. Look under your truck on the back of your brakes to see if it looks "wet". It's hard to miss if you look. Nissan will repair under warranty, but this has been a common issue, so it should be addressed so that we have a permanent fix. If you don't fix it, it will keep leaking until all your rear diff fluid is gone, which will cause your rear diff to break. There have been a few "home-made solutions" to try to fix this issue, but this is something we should not have to deal with.
Please report your leaks at https://www-odi.nhtsa.dot.gov/ivoq/
Report your failure under the following category
POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL
If your entire rear diff failed, please report it to the appropriate category.
Mine failed at 8000 miles when my suspension was still stock.
Your Complaint Information is successfully submitted.
Your Confirmation number (ODI Number) is: 10185695
Here is what my complaint looked like when completed:
Results : 1 | All records displayed
Make : NISSAN Model : TITAN Year : 2006
Manufacturer : NISSAN NORTH AMERICA, INC.
Crash : No Fire : No Number of Injuries: 0
ODI ID Number : 10185695 Number of Deaths: 0
Date of Failure: March 9, 2007
VIN : 1N6BA06A16N...
Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL
Summary:
LEFT REAR AXLE SEAL BLEW OUT AND LEAKED DIFFERENTIAL FLUID. DIFFERENTIAL FLUID LEAKING ON REAR BRAKE ROTORS WHICH COULD CAUSE BRAKE FAILURE, WHICH WAS A MAJOR SAFETY CONCERN TO ME. AT TIME OF FAILURE AT 8000 MILES NO SUSPENSION MODIFICATIONS HAD BEEN DONE TO VEHICLE. ALSO, THE REAR DIFFERENTIAL OIL WILL SLOWLY LEAK AND CAUSE THE REAR DIFFERENTIAL TO LOSE FLUID AND FAIL. NISSAN REPLACED SPACER AXLE (43070-7S200), BEARING (40210-7S210), AND SEAL (43252-7S200). AS THIS SEEMED TO BE A VERY COMMON PROBLEM WITH THE NISSAN TITAN, NISSAN SHOULD ADDRESS THIS ISSUE AND OFFER A PERMANENT FIX SO WEOULD NOT BE FACED WITH THE SAFETY ISSUE IN THE FUTURE. *AK
Here is what my rear axle seal failure looked like:
Thanks guys.
Erik
Please report your leaks at https://www-odi.nhtsa.dot.gov/ivoq/
Report your failure under the following category
POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL
If your entire rear diff failed, please report it to the appropriate category.
Mine failed at 8000 miles when my suspension was still stock.
Your Complaint Information is successfully submitted.
Your Confirmation number (ODI Number) is: 10185695
Here is what my complaint looked like when completed:
Results : 1 | All records displayed
Make : NISSAN Model : TITAN Year : 2006
Manufacturer : NISSAN NORTH AMERICA, INC.
Crash : No Fire : No Number of Injuries: 0
ODI ID Number : 10185695 Number of Deaths: 0
Date of Failure: March 9, 2007
VIN : 1N6BA06A16N...
Component: POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL
Summary:
LEFT REAR AXLE SEAL BLEW OUT AND LEAKED DIFFERENTIAL FLUID. DIFFERENTIAL FLUID LEAKING ON REAR BRAKE ROTORS WHICH COULD CAUSE BRAKE FAILURE, WHICH WAS A MAJOR SAFETY CONCERN TO ME. AT TIME OF FAILURE AT 8000 MILES NO SUSPENSION MODIFICATIONS HAD BEEN DONE TO VEHICLE. ALSO, THE REAR DIFFERENTIAL OIL WILL SLOWLY LEAK AND CAUSE THE REAR DIFFERENTIAL TO LOSE FLUID AND FAIL. NISSAN REPLACED SPACER AXLE (43070-7S200), BEARING (40210-7S210), AND SEAL (43252-7S200). AS THIS SEEMED TO BE A VERY COMMON PROBLEM WITH THE NISSAN TITAN, NISSAN SHOULD ADDRESS THIS ISSUE AND OFFER A PERMANENT FIX SO WEOULD NOT BE FACED WITH THE SAFETY ISSUE IN THE FUTURE. *AK
Here is what my rear axle seal failure looked like:

Thanks guys.
Erik