| NHTSA Campaign Number: |
77V173000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
DM |
| Model Year: |
1973 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN |
| Manufacturers Involved in Recall: |
MACK TRUCKS, INCORPORATED |
| Manufacturered: |
- |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
48000 |
| Date Owner Notified By Manufacturer: |
19780323 |
| Recall Initiated By: |
19780323 |
| Manufacturer Responsible For Recall: |
MACK TRUCKS, INC |
| Report Received Date: |
19771012 |
| Record Creation Date: |
19791012 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
THE FLEX BLADE FANS ON THE INVOLVED VEHICLES MAY DEVELOP CRACKS IN THE LAMINATED STIFFENER AS A RESULT OF FATIGUE DURING OPERATION. IF SUCH A CONDITION EXISTS AND THE CRACKS GO UNDETECTED, CONTINUED OPERATION COULD CAUSE PIECES OF THE STIFFENER TO BREAK OFF. |
| Consequence Summary: |
|
| Corrective Summary: |
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE. |