THE AIR BRAKE LINES MAY BE ROUTED TOO CLOSE TO THE EXHAUST MUFFLER
— Recall Campaign #79V054000
THE AIR BRAKE LINES MAY BE ROUTED TOO CLOSE TO THE EXHAUST MUFFLER. BECAUSE THE AIR BRAKE LINES ARE MADE OF NYLON MATERIAL, HEAT FROM THE EXHAUST MUFFLER CAN WEAKEN THE BRAKE LINE TUBES, POSSIBLY CAUSING THEM TO RUPTURE. TUBE RUPTURE COULD RESULT IN LOSS OF AIR IN THE SECONDARY AIR BRAKE SYSTEM.
The recall was influenced by the manufacturer with about 1,100 units affected.
NHTSA Safety Recall Notice
79V054000
| Manufacturer: | Ford Motor Company |
|---|---|
| Recall date: | February 22, 1979 |
| NHTSA Campaign #: | 79V054000 |
| Units affected: | 1,100 |
- Description:
- THE AIR BRAKE LINES MAY BE ROUTED TOO CLOSE TO THE EXHAUST MUFFLER. BECAUSE THE AIR BRAKE LINES ARE MADE OF NYLON MATERIAL, HEAT FROM THE EXHAUST MUFFLER CAN WEAKEN THE BRAKE LINE TUBES, POSSIBLY CAUSING THEM TO RUPTURE. TUBE RUPTURE COULD RESULT IN LOSS OF AIR IN THE SECONDARY AIR BRAKE SYSTEM.
- Consequeces:
- Corrective action:
- NEW NYLON AIR BRAKE TUBES WILL BE INSTALLED AND REROUTED WITHOUT CHARGE TO OWNER.
- Notes:
- VEHICLE DESCRIPTION: TRUCKS AND BUSES EQUIPPED WITH GASOLINE ENGINES AND AIRBRAKES.SYSTEM: SERVICE BRAKES; AIR BRAKE TUBES.CONSEQUENCES OF DEFECT: PARTIAL LOSS OF VEHICLE SERVICE BRAKES CAN RESULT ANDTHE REAR SPRING BRAKES COULD ACTIVATE, POSSIBLY RESULTING IN A VEHICLEACCIDENT.NOTE: RUPTURE OF THE TUBES FOR THE SECONDARY SYSTEM CAN BE DETECTED BY ACONTINUOUS BUZZER AND WARNING LIGHT, SIGNALING LOW AIR PRESSURE, AND BY THEDUAL READING AIR GAUGE INDICATOR. VEHICLE OPERATOR IS CAUTIONED TO AVOIDPERIODS OF ENGINE IDLING, PARTICULARLY WHEN THE CHOKE AND THROTTLE ARE SET.THIS CONDITION GENERATES SUBSTANTIAL HEAT, WHICH CAN CAUSE TUBE RUPTURE.