Defect
1983-87 E-250 AND 350 WITH 7.5 LITRE AND 1985-87 HEAVY DUTY E-250 AND 350 WITH 5.8 LITRE 4V ENGINE AND A GVW OVER 8,500 LBS. THESE VEHICLES HAVE BEEN DETERMINED TO GENERATE EXCESSIVE UNDERBODY TEMPERATURES AND FUEL SYSTEM PRESSURES IN SEVERE DUTY APPLICATIONS, PARTICULARLY IF FUELED WITH OVERLY VOLATILE GASOLINE. THIS CAN CREATE AN ABNORMAL POTENTIAL FOR EXPULSION OF LIQUID FUEL FROM THE FILLER PIPE UPON REMOVAL OF THE FUEL TANK FILLER CAP. IN THE PRESENCE OF AN IGNITION SOURCE, A VEHICLE FIRE COULD OCCUR.
Safety Risk
No risk description available.
Remedy
VEHICLES WILL BE MODIFIED TO MINIMIZE THE POSSIBILITY OF FUEL EXPULSION AND SHIELD UNDERBODY COMPONENTS FROM EXCESSIVE UNDERBODY HEAT.