Vacuum Pump Inoperative or Runs Continuously, Climate Control Defaults to Defrost Mode – 1999-2006 Ford
VACUUM PUMP INOPERATIVE OR RUNS CONTINUOUSLY – CLIMATE CONTROL DEFAULTS TO DEFROST MODE FORD: 1999-2006 F-Super Duty 2000-2005 Excursion 1999-2006 F-650, F-750 1999-2006 F-Super Duty and 2000-2005 Excursion vehicles built before 6/27/2005 and 1999-2006 F650/750 vehicles, all vehicles equipped with the 7.3L or 6.0L diesel engine, may exhibit a vacuum pump that is … Read more