THE PARKING BRAKE VALVES MAY HAVE BEEN INCORRECTLY PIPED. IF THE PARKING BRAKE PIPING IS INCORRECTLY
— Recall Campaign #79V059000
THE PARKING BRAKE VALVES MAY HAVE BEEN INCORRECTLY PIPED. IF THE PARKING BRAKE PIPING IS INCORRECTLY ROUTED, THERE IS NO WAY TO SET THE TRACTOR PARKING BRAKES INDEPENDENTLY OF THE TRAILER PARKING BRAKES. THIS COULD CAUSE THE PARKING BRAKES TO BACK OFF WHILE THE TRAILER AIR SUPPLY IS BEING CHARGED, CAUSING THE TRACTOR TO ROLL.
The recall was influenced by the manufacturer with about 2,620 units affected.
NHTSA Safety Recall Notice
79V059000
| Manufacturer: | PACCAR Incorporated |
|---|---|
| Recall date: | February 23, 1979 |
| NHTSA Campaign #: | 79V059000 |
| Units affected: | 2,620 |
- Description:
- THE PARKING BRAKE VALVES MAY HAVE BEEN INCORRECTLY PIPED. IF THE PARKING BRAKE PIPING IS INCORRECTLY ROUTED, THERE IS NO WAY TO SET THE TRACTOR PARKING BRAKES INDEPENDENTLY OF THE TRAILER PARKING BRAKES. THIS COULD CAUSE THE PARKING BRAKES TO BACK OFF WHILE THE TRAILER AIR SUPPLY IS BEING CHARGED, CAUSING THE TRACTOR TO ROLL.
- Consequeces:
- Corrective action:
- TRAILER AIR SUPPLY WILL BE MOVED FROM THE DISCHARGE SIDE OF THE TRACTOR PARKING VALVE TO THE DISCHARGE SIDE OF THE COMBINATION PARKING VALVE. THIS SERVICE WILL BE DONE AT NO CHARGE.
- Notes:
- VEHICLE DESCRIPTION: TRUCKS.SYSTEM: PARKING EMERGENCY BRAKES; AIR, VALVE, CONTROL.CONSEQUENCES OF DEFECT: IF THE TRACTOR AND TRAILER ROLL FREE, A VEHICLEACCIDENT AND PERSONAL INJURY MAY OCCUR.