NHTSA Campaign 99V050000

SERVICE BRAKES, AIR

Issued by FORD MOTOR COMPANY · Reported Mar 15, 1999 · 1,687 vehicles affected

What's wrong

VEHICLE DESCRIPTION: HEAVY DUTY TRUCKS EQUIPPED WITH OPTIONAL WABCO AIR DRYER. THE AIR BRAKE SYSTEM WAS PLUMBED SO THAT THE SYSTEMS DID NOT PROVIDE AIR RESERVOIR ISOLATION. THIS DOES NOT COMPLY WITH THE REQUIREMENTS OF FMVSS NO. 121, "AIR BRAKE SYSTEMS."

Consequence

THE AIR BRAKE RESERVOIR PRESSURE COULD BE DEPLETED, ACTIVATING THE EMERGENCY SPRING BRAKE. WITH THE EMERGENCY SPRING BRAKE DEPLOYED, THE VEHICLE WOULD STOP AND COULD NOT BE MOVED UNTIL THE BRAKE AIR SYSTEM WAS REPAIRED.

Remedy

DEALERS WILL REPAIR THE AIR LINE PLUMBING TO INSTALL A CHECK VALVE.

Vehicles affected by this recall

Make Model Year Units
FORD AEROMAX 1997 1,687
FORD AEROMAX 1998 1,687
FORD LOUISVILLE 1997 1,687
FORD LOUISVILLE 1998 1,687

Source: NHTSA Campaign 99V050000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.