NHTSA Campaign 98V298000

FUEL SYSTEM, OTHER:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS

Issued by NEOPLAN USA CORP. · Reported Nov 19, 1998 · 594 vehicles affected

What's wrong

VEHICLE DESCRIPTION: TRANSIT COACHES EQUIPPED WITH CUMMINS L-10 ENGINES AND NELSON CATALYSTS AND SOLD TO LOS ANGELES, CALIFORNIA TRANSIT AUTHORITY. THE CATALYST CAN EXPERIENCE HIGH TEMPERATURES, WHICH COULD BE CAUSED FROM UNBURNED METHANE IGNITING INSIDE THE CATALYST BRICK.

Consequence

THIS CONDITION CAN RESULT IN EXTREME OVERHEATING OF THE CATALYST AND COULD CAUSE IGNITION OF SURROUNDING COMBUSTIBLES IN CLOSE PROXIMITY TO THE CATALYST.

Remedy

DEALERS WILL INSPECT THE VEHICLES FOR PROPER INSTALLATION AND POSITIONING; INCREASE THE SIZE OF THE FIBERGLASS HOLE SURROUNDING THE TAIL PIPE, REMOVE A RUBBER AIR INLET BOOT THAT WAS TOO CLOSE TO THE CATALYST; REPLACE THE FLEX PIPE IN THE EXHAUST SYSTEM; AND ADD A BLANKET AROUND THE CATALYST TO PROVIDE ADDED INSULATION.

Vehicles affected by this recall

Make Model Year Units
NEOPLAN AN440 1995 594
NEOPLAN AN440 1996 594
NEOPLAN AN440 1997 594

Source: NHTSA Campaign 98V298000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.