NHTSA Campaign 91V033000

PARKING BRAKE:DRIVELINE:AIR

Issued by VOLVO GM HEAVY TRUCK CORP · Reported Feb 20, 1991 · 31 vehicles affected

What's wrong

IMPROPER PARK BRAKE CONTROL VALVES MAY HAVE BEEN INSTALLED; THE SUSPECT VEHICLE HAVE DISK BRAKES WITH PARK BRAKE VALVE DESIGNED FOR DRUM BRAKES.

Consequence

TRUCKS LEFT WITH PARK BRAKES ENGAGED COULD BEGIN TO ROLLAFTER THE DISK BRAKES COOLED, AND COULD RESULT IN A VEHICLE CRASH WITHOUTWARNING.

Remedy

REPLACE CONTROL VALVE WITH THE CORRECT DISK BRAKE VALVE.

Vehicles affected by this recall

Make Model Year Units
VOLVO WXLM 1989 31
VOLVO WXLM 1990 31

Source: NHTSA Campaign 91V033000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.