I am again agreeing with Andrew - I honestly don’t see how just a few psi could/would cause such a situation unless there was an underlining “culprit”, maybe that few psi develops a small bubble in the side wall, older tires, weak sidewalk cords or something along those lines that once the issue sets in, it stays until you go back down the mountain so to speak.

@Andrew - is it possible that it may be the transfer case? Something along the lines of the pressure applied to the clutches changes due to altitude? I could actually see the clamping force being affected by just a few pounds.

I grasping at straws here... and anxious to see what this comes down to.


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