FORD L SERIES 1984: PARKING BRAKE:DRIVELINE:AIR
NHTSA Campaign ID Number: 85V168000
| Make | Model | Year |
|---|---|---|
| FORD | L SERIES | 1984 |
| Date Received by ODI | Date Added to Database | |
| 1985-12-20 | 1986-01-14 |
Production Dates: 1983-08-01 - 1985-06-01
Manufacturers Involved: Ford Motor Company
Component: PARKING BRAKE:DRIVELINE:AIR
Potential Number Of Units Affected: 51500
Report Initiator: MFR MFR Report
THE HYDRAULIC PARKING BRAKE CONTROL VALVE MAY INADVERTENTLY ACTIVATE DUE TO MOMENTARY PRESSURE DISRUPTIONS WITHIN THE SYSTEM AND CAUSE THE PARKING BRAKE TO BE APPLIED, STOPPING OR SLOWING THE TRUCK UNEXPECTEDLY. CONSEQUENCE OF DEFECT: THIS UNEXPECTED STOPPING OR SLOWING OF THE TRUCK MAY INCREASE THE RISK OF A REAR END COLLISION SINCE THE BRAKE "STOP" LIGHTS ARE NOT ACTIVATED. ALSO, ON CERTAIN ROAD CONDITIONS THIS OCCURRENCE MAY RESULT IN LOSS OF VEHICLE CONTROL WHICH WOULD LEAD TO AN ACCIDENT.
REPLACE THE PUSH-PULL TYPE BRAKE CONTROL VALVE WITH NEW OVER-CENTER CAM TYPE VALVES.
SYSTEM: HYDRAULIC PARKING BRAKE CONTROL VALVE.VEHICLE DESCRIPTION: MEDIUM AND HEAVY TRUCK AND BUS CHASSIS EQUIPPED WITH HYDRAULIC BRAKES.
