TRUCK STARTED RUMBLING THAT SOUNDED LIKE WHEN YOU GO OVER RUMBLE STRIPS ON THE FREEWAY IF I REPLACE THE REAR END AND IT'S STILL DOING IT. THE SECOND THING IS THE TRANSFER CASE HAS SOME KIND OF SHORT IN IT THAT NO ONE CAN FIGURE OUT DRIVING DOWN THE ROAD IT LOCKS IN LIGHTS OUT PERIODICALLY SO I HAD TO DISENGAGE IT SO IT WOULDN'T DO THAT SO I CAN DRIVE IT WOULD ALSO GO INTO NEUTRAL JUST RANDOMLY I WAS DRIVING UPHILL WHEN IT HAPPENED AND I HAD TO REPLACE THE TRANSMISSION THAT COST ME $4,200 WHICH I THOUGHT WOULD FIX THE PROBLEM BUT IT DID NOT. *TR