SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS
AIR SYSTEM BLOCKAGE IN THE AIR DRYER OCCURS DEGRADING THE MOISTURE REMOVING CAPABILITIES OF THE DRYER WHEN THE VEHICLE IS OPERATED IN A COLD ENVIRONMENT AND MOISTURE ACCUMULATES AND FREEZES IN THE AIR DRYER OR IN THE LINE BETWEEN THE DRYER AND THE AIR SYSTEM RESERVOIR. THE AIR DRYER CAN BECOME OVERPRESSURIZED CAUSING THE AIR DRYER CARTRIDGE TO SEPARATE FROM THE MOUNTING BASE.
Remedy: DEALERS WILL EQUIP AIR SYSTEMS WITH A PRESSURE RELIEF VALVE TO BE LOCATED BETWEEN THE COMPRESSOR AND THE AIR DRYER. THIS PRESSURE RELIEF VALVE IS INTENDED TO VENT IF EXCESSIVE PRESSURE DEVELOPS IN THE AIR DRYER.
3,500 vehicles affected
FUEL SYSTEM, GASOLINE:STORAGE:TANK ASSEMBLY
THE LABELS REMINDING OPERATORS CLOSING THE FUEL TANK CROSSOVER VALVES TO REOPEN THE VALVES BEFORE OPERATING THE ENGINES WERE OMITTED. IF THE TANKS ARE OVER HALF FULL AND VEHICLE OPERATION WAS RESUMED WITHOUT REOPENING THE FUEL TANK CROSS-OVER VALVES, PRESSURE COULD BUILD IN ONE OF THE TANKS.
Remedy: OWNERS WILL BE MAILED A PAIR OF LABELS AND INSTALLATION INSTRUCTIONS. IF THE OWNER PREFERS, A DEALER CAN INSTALL THE LABELS.
3,200 vehicles affected
WHEELS
Remedy: REPLACE THE CLAMPS AND STUDS ON THE CAST SPOKE WHEELS.
192 vehicles affected