| Make : MACK | Model : U SERIES | Year : 1979 |
| Build Dates : 19790701 - 19800101 | ||
| NHTSA Campaign ID Number : 81V088000 | ||
| Date Owners Notified: 19811221 | Date Received by ODI: 19810708 | Date Added to Database: 19810714 |
| Manufacturer(s) Involved: MACK TRUCKS, INCORPORATED | ||
| Manufacturer(s) Responsible for the Recall: MACK TRUCKS, INC | ||
| Manufacturer Campaign Number: | ||
| Component: SERVICE BRAKES, AIR:CONTROLS:HAND CONTROL | ||
| Potential Number of Units Affected: 10000 | ||
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Summary of the Safety Concern:
THE RETAINING PIN FOR THE BRAKE CONTROL KNOB HAS BEEN MISALIGNED (OFF THE CENTER LINE OF THE VALVE PLUNGER HOLE). THIS CAUSES THE KNOB TO BE OVERSTRESSED AT THE RETAINING PIN HOLE AREA CAUSING IT TO SEPARATE FROM THE VALVE. |
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Consequence:
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Remedy:
THE HOLES WILL BE RETOOLED TO PROVIDE CORRECT ALIGNMENT AND PLASTIC KNOBS WILL BE REPLACED BY KNOBS OF STRONGER MATERIAL HAVING METAL REINFORCEMENTS. |
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| Report Initiator: MFR | Vehicles Report | |
| Regulation Part Number: | Federal Motor Vehicle Safety Standard Number: | |
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Notes:
CUSTOMERS CAN ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236). |
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