BOTH FRONT HUB/WHEEL-BEARING ASSEMBLIES HAVE FAILED ON MY TRUCK. MY TRUCK HAS 50K MILES! THE FRONT WHEEL-BEARING ON BOTH SIDES MAKES NOISES, SOMETIMES SOUNDS LIKE IT IS CATCHING OR GETTING STUCK. THIS HAS CAUSED ME TO WRECK IN A DITCH AND IS VERY DANGEROUS. THE NOISE STARTS OUT ONLY ONCE IN A WHILE, THEN SEEMS TO BE CONSTANTLY GRINDING. *TR