Recall
Sci Alt 620n — 95E005002
NHTSA ID
95E005002
Make
Sci
Model
Alt 620n
Years Affected
1994
Recall Date
1995-05-09
Component
FUEL SYSTEM, OTHER:STORAGE:TANK ASSEMBLY:PRESSURE RELIEF DEVICES
Units Affected
15
Completion Rate
—
Mfr Campaign No.
Summary
UPON EXPOSURE TO IMPURITIES IN THE NATURAL GAS FUEL IN COLD WEATHER, AN INTERNAL O-RING ON THESE DEVICES CAN BLISTER DURING DECOMPRESSION AFTER "FAST-FILL" REFUELING RESULTING IN SEAL LEAKAGE.
Consequence
INTERNAL DAMAGE TO THE O-RING SEAL COULD CAUSE A RELEASE OF CNG. IF CNG WERE RELEASED TO THE ENVIRONMENT AND AN IGNITION SOURCE WERE PRESENT, A FIRE COULD OCCUR.
Remedy
SCI WILL REPLACE RECALLED UNITS WITH NEW DEVICES THAT ARE NOT SUSCEPTIBLE TO O-RING DAMAGE FROM NON-METHANE COMPONENTS OF THE GAS SUPPLY WHEN THE DEVICES ARE DEVELOPED.