KENWORTH W900 1978: PARKING BRAKE:DRIVELINE:AIR
NHTSA Campaign ID Number: 79V059000
| Make | Model | Year |
|---|---|---|
| KENWORTH | W900 | 1978 |
| Date Owners Notified | Date Received by ODI | Date Added to Database |
| 1979-02-15 | 1979-02-23 | 1979-10-12 |
Production Dates: 1978-06-01 - 1978-11-01
Manufacturers Involved: PACCAR Incorporated
Component: PARKING BRAKE:DRIVELINE:AIR
Potential Number Of Units Affected: 2620
Report Initiator: MFR MFR Report
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.
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.
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.
