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Personally the whole response in my opinion was hogwash. This issue has been happening for almost 3 years now. This whole paragraph was lets say shady:
2) Why are there axle assembly failures?
- Each model year has its own issues as there are small design changes, sometimes none between them. Your model year is 2005 for both trucks, I will concentrate on this. You should have the aluminum cover plates on both your axles, which goes directly with the 75W-140 synthetic gear lube implementation, both improving axle sump temperatures and providing a better cover seal. The steel plates had some cover leak issues. Also, from November 2005 and prior, there are some issues with noisy or differential failures (axle assembly internals - include diff case assembly & gearset). Basically, if you have a catastrophic failure, you do need a new axle assembly as the cause is more than likely a carrier housing issue we have found. I suggest getting a post November 2005 axle build date as a replacement, as the issue was fixed then. I have seen a few standard/open differentials break from overload, that is the only other catastrophic issue I have seen. I can not honestly answer what the cause was for overload conditions are, as I am not the driver, I would like to know under what conditions they failed first-hand. As I stated before, wheel seal leaks are still an issue in model year 2005 as well.
This part is extremely full of the BS : I will concentrate on this. You should have the aluminum cover plates on both your axles, which goes directly with the 75W-140 synthetic gear lube implementation, both improving axle sump temperatures and providing a better cover seal. The steel plates had some cover leak issues.
It had nothing to do with better cover seals or any of that, the oil was cooking the paint off the covers for goodness sake. It was nothing to do with seals there at the cover, he also never addresses that silly little thing they call a vent on the axle housing, what a joke it is. Also never said anything about the substandard metal in the spider gears.
This whole rear end issue is a joke and Nissan should hope that it doesn't happen to my 06, it should "supposedly" have all the fixes right? I personally can't see why a class action attorney hasn't been all over this one. Bro in law bought an 04 LE 4x4 supposedly "certified" by Nissan, with all the service records. Even had the rear fluid changed shortly before he bought it. Two months later .......rear end bye bye........... they say they found metal in the rear. Later they said they found water in the fluid too, I asked them well how could that happen, you guys changed it last. They always act like you had to do something to cause this, unlike the real cause that they have a crappy design and materials in the rear.
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