Quote:
Originally Posted by Inv4drZm
Oh, nevermind, I get what you were trying to do now.
I'm not sure if this helps but this is my experience.
I grenaded the rear ring and pinion on a trail in moab and limped it off the trail. Whenever a R&P breaks it drives fine for about an entire tire rotation until it catches, or looses mesh on the broken part of the teeth, and you can feel a huge shudder/metal grinding noise until the teeth mesh up again. This keeps your speed to a max of 3 mph with a large 'hiccup' every couple feet. I did manage to hear gear grinding noises (like what you said) shifting maybe to park, or out of park, I don't remember, when loading onto the trailer.
But I don't know of any other failure mode of differentials other than a destroyed R&P which you would have definitely noticed.
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That does help and it makes me really think it is the front diff that is bad. Given that when my 4Runner rolled off the trailer, and started to drive normally, the front diff may have spun enough to catch on the part of the ring that had teeth, to drive around. And then once it spun around and got to the bad part, the transfer case just sent all the power to the front (least resistance) and the front diff could not engage because the ring is jacked up.
That would explain why I see the front driveshaft spinning with no power to any wheels. And then why locking the center, I was able to move, because half of the power was sent to the rear.
Thanks for the help everyone. Hopefully the front diff is the issue. I am taking it back today.
