NHTSA Campaign 85V161000

SERVICE BRAKES, AIR:SUPPLY:HOSES, LINES/PIPING, AND FITTINGS

Issued by FREIGHTLINER CORP. · Reported Dec 3, 1985 · 20 vehicles affected

What's wrong

REAR BRAKE RELAY VALVE CONTROL LINE WAS CONNECTED TO THE SECONDARY DOUBLE CHECK VALVE, RATHER THAN THE PRIMARY ONE. CONSEQUENCE OF DEFECT: THESE TRUCKS HAVE A TWO AXLE BRAKE SYSTEM EACH ON SEPARATE SYSTEMS TO AVOID TOTAL LOSS OF BRAKES. HOWEVER WITH THE MISCONNECTED LINES AND IF A RUPTURE OR LEAK OCCURS IN THE CONTROL LINE, THE FRONT AND REAR AXLE BRAKES WILL FAIL.

Remedy

PROPERLY CONNECT CONTROL LINE TO THE PRIMARY DOUBLE CHECK VALVE. RECHECK FOR PROPER OPERATION OF FRONT BRAKES.

Vehicles affected by this recall

Make Model Year Units
FREIGHTLINER FREIGHTLINER 1983 20
FREIGHTLINER FREIGHTLINER 1984 20
FREIGHTLINER FREIGHTLINER 1985 20

Source: NHTSA Campaign 85V161000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.