2012 FORD F-550 SD Tires Problems

INCIDENT #1: IT WAS DETERMINED DURING THE ASSEMBLY PROCESS THE MANUFACTURER OF MY EXPEDITION VEHICLE/MOTOR HOME (MH) WAS NOT IN COMPLIANCE WITH NATIONAL HIGHWAY TRAFFIC SAFETY ADMIN., DOT REGULATION UNDER 571.108 COVERING LAMPS, REFLECTIVE DEVICES, AND ASSOCIATED EQUIPMENT. SPECIFICALLY MY MH WAS MISSING TWO AMBER CLEARANCE LAMPS ON THE FRONT, AND TWO RED SIDE MARKER LAMPS ON THE REAR. AFTER MANUFACTURER WAS INFORMED OF THE VIOLATION THEY CORRECTED THE MISTAKE. INCIDENT #2: IT WAS DETERMINED 08/07/2012 DURING THE ASSEMBLY PROCESS THE MANUFACTURER OF MY MH WAS NOT IN COMPLIANCE WITH THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMIN., CODE OF FEDERAL REGULATIONS TITLE 49, PART 571: 571.120 FOR MOTOR HOMES. THE COMBINED WEIGHT RATING OF THE TIRES ON THE REAR AXLE WAS 12790, AND THE COMBINED WEIGHT RATING OF THE RIMS WAS 13660. THE WEIGHT RATING OF THE REAR AXLE OF MY MH WAS 14706. THE COMBINED WEIGHT RATING OF THE REAR...