| NHTSA Campaign Number: |
81V088000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
MC SERIES |
| Model Year: |
1980 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
SERVICE BRAKES, AIR:CONTROLS:HAND CONTROL |
| Manufacturers Involved in Recall: |
MACK TRUCKS, INCORPORATED |
| Manufacturered: |
19790701 - 19800101 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
10000 |
| Date Owner Notified By Manufacturer: |
19811221 |
| Recall Initiated By: |
19811221 |
| Manufacturer Responsible For Recall: |
MACK TRUCKS, INC |
| Report Received Date: |
19810708 |
| Record Creation Date: |
19810714 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
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. |
| Consequence Summary: |
|
| Corrective Summary: |
THE HOLES WILL BE RETOOLED TO PROVIDE CORRECT ALIGNMENT AND PLASTIC KNOBS WILL BE REPLACED BY KNOBS OF STRONGER MATERIAL HAVING METAL REINFORCEMENTS. |