NHTSA Campaign 90V121000

SERVICE BRAKES, AIR:CONTROLS, PEDALS AND LINKAGES

Issued by FORD MOTOR COMPANY · Reported Jun 25, 1990 · 15,260 vehicles affected

What's wrong

SECONDARY SERVICE RESERVOIR AIR CHECK VALVES MAY NOT SEAT PROPERLY DUE TO A MECHANICAL INTERFERENCE CONDITION BETWEEN A CIRCULAR BRASS GUIDE AND THE WALL OF A CYLINDRICAL FERRULE IN WHICH THE BRASS GUIDE IS INTENDED TO MOVE FREELY.

Consequence

IN THE EVENT OF PRESSURE LOSS IN THE SUPPLY RESERVOIR,A DEFECTIVE CHECK VALVE WOULD ALLOW PRESSURE EQUALIZATION BETWEEN PRIMARY ANDSECONDARY SERVICE RESERVOIRS, PRESENTING THE POTENTIAL FOR LOSS OR ABSENCE OFFRONT BRAKING ABILITY, WHICH COULD CAUSE LOSS OF CONTROL AND AN ACCIDENT.

Remedy

INSTALL REVISED DESIGN SECONDARY SERVICE RESERVOIR CHECK VALVE COMPONENTS.

Vehicles affected by this recall

Make Model Year Units
FORD L8000 1989 15,260
FORD L8000 1990 15,260
FORD L9000 1989 15,260
FORD L9000 1990 15,260
FORD LA9000 1989 15,260
FORD LA9000 1990 15,260
FORD LL9000 1989 15,260
FORD LL9000 1990 15,260
FORD LN7000 1989 15,260
FORD LN7000 1990 15,260
FORD LN8000 1989 15,260
FORD LN8000 1990 15,260
FORD LN9000 1989 15,260
FORD LN9000 1990 15,260
FORD LNT8000 1989 15,260
FORD LNT8000 1990 15,260
FORD LNT9000 1989 15,260
FORD LNT9000 1990 15,260
FORD LS8000 1989 15,260
FORD LS8000 1990 15,260
FORD LS9000 1989 15,260
FORD LS9000 1990 15,260
FORD LT8000 1989 15,260
FORD LT8000 1990 15,260
FORD LT9000 1989 15,260
FORD LT9000 1990 15,260
FORD LTA9000 1989 15,260
FORD LTA9000 1990 15,260
FORD LTL9000 1989 15,260
FORD LTL9000 1990 15,260
FORD LTS8000 1989 15,260
FORD LTS8000 1990 15,260
FORD LTS9000 1989 15,260
FORD LTS9000 1990 15,260

Source: NHTSA Campaign 90V121000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.