| NHTSA Campaign Number: |
79V171000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
MC |
| Model Year: |
1979 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY |
| Manufacturers Involved in Recall: |
MACK TRUCKS, INCORPORATED |
| Manufacturered: |
- |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
1706 |
| Date Owner Notified By Manufacturer: |
19791210 |
| Recall Initiated By: |
19791210 |
| Manufacturer Responsible For Recall: |
MACK TRUCKS, INC |
| Report Received Date: |
19790712 |
| Record Creation Date: |
19791012 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
THE SPRING SEAT PLATE, LOCATED BETWEEN THE AXLE HOUSING AND THE SUSPENSION SPRINGS, MAY DEFORM DUE TO SPRING BENDING. AS A RESULT, THE CLAMPING FORCE IN THE ASSEMBLY MAY BE REDUCED. LOSS OF CLAMPING FORCE COULD CAUSE SPRING FAILURE AND THE AXLE WILL DISLOCATE. ALSO, THE TIRE COULD COME INTO CONTACT WITH THE SPRING. |
| Consequence Summary: |
|
| Corrective Summary: |
THE DEALER WILL REPLACE THE EXISTING SPRING SEAT WITH A NEWLY FABRICATED SEAT WHICH IS WELDED TO THE HOUSING. AN IMPROVED SPRING CLAMPING PLATE AND NEW SPRINGS WILL ALSO BE INSTALLED WITHOUT CHARGE. |