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I'm gonna say it one more time...

If your rear wheels spin in opposite directions with the rear wheels jacked up, and it in park, IT IS NOT LOCKED.

If they will NOT spin at all with it in park, it is locked, and if they spin the same direction when in neutral, it is locked.





If you locker pump runs all the time, the diaphragm has a tear, or some other problem, and it's not going to mysteriously lock somehow, and become stuck.


I honestly think you're chasing the wrong thing. I bet you've got a transfer case stuck in 4hi.

It's a BUNCH eaiser to pull those hub slugs up front, and see if the binding goes away than it is to pull that rear differential.


These are the reasons I think rear diff is locked:

-When jacked up wheels turn the same direction when in Neutral.
-When the back wheels were jacked, I put the car in D & R (front wheels on the ground, 2H) reved up to speeds of 30MPH (rear wheels turning only).
-My turning radius is ridiculous, I hear the tires slip and squel fighting the simultaneous rotational speed of both rear wheels.
-Mits dealership diagnosed the locked rear diff aswell.