MACK U SERIES 1980: PARKING BRAKE:DRIVELINE:AIR
| Make : MACK | Model : U SERIES | Year : 1980 |
| Build Dates : 1979-07-01 - 1980-01-01 | ||
| NHTSA CAMPAIGN ID Number : 80V052000 | ||
| Date Owner's Notified: 1980-10-20 | Date Received by ODI: 1980-05-06 | Date Added to Database: 1980-07-18 |
| Manufacturers Involved: Mack Trucks, Inc. | ||
| Manufacturer's Responsible for the Recall: | ||
| Manufacturer Campaign Number: | ||
| Component: PARKING BRAKE:DRIVELINE:AIR | ||
| Potential Number Of Units Affected : 9666 | ||
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Summary:
ON CERTAIN VEHICLES, THE KNOB THAT OPERATES THE TRACTOR PARK VALVE MAY BREAK OFF, RENDERING THE VALVE INOPERABLE. |
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Consequence:
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Remedy:
DEFECTIVE KNOBS WILL BE REPLACED WITH AN IMPROVED TYPE, WITHOUT CHARGE TO OWNER. |
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| Report Initiator: MFR | V Report | |
| Regulation Part Number: | Federal Motor Vehicle Safety Standard Number: | |
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Notes:
VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; TRACTOR PARK VALVE CONTROL KNOB.CONSEQUENCES OF DEFECT: THE PURPOSE OF THE TRACTOR PARK VALVE IS TO ALLOW THEDRIVER TO APPLY THE TRACTOR SPRING EMERGENCY/PARKING BRAKE INDEPENDENTLY OF THETRAILER EMERGENCY PARKING BRAKES. IF THE KNOB IS BROKEN, THE TRACTOR PARKINGBRAKES CANNOT BE APPLIED. IF PARKED ON AN INCLINE AND LEFT UNATTENDED, VEHICLECOULD ROLL FREE AND CAUSE ACCIDENT AND INJURY. |
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