THE THIRD TIME A VALVE STEM CRACKED AND LEAKED WHILE DRIVING ON MY 2007 FORD EXPEDITION. *TR
2003
POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT
HUMMING NOISE FROM FRONT DIFFERENTIALS. SPRING REQUIRED TO BE ADDED TO FRONT DIFFERENTIAL. REAR DIFFERENTIAL ALSO HAD TO BE REPLACED DUE TO PARTS MISSING FROM FACTORY ACCORDING TO THE DEALER. ALL THIS HAPPEN WITHIN 2,000 MILES OF PURCHASE ON MY 2003 FORD EXPEDITION.