| NHTSA Campaign Number: |
79V082000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
R |
| Model Year: |
1977 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
STEERING:WHEEL AND HANDLE BAR |
| Manufacturers Involved in Recall: |
MACK TRUCKS, INCORPORATED |
| Manufacturered: |
19770301 - 19781101 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
12000 |
| Date Owner Notified By Manufacturer: |
19790813 |
| Recall Initiated By: |
19790813 |
| Manufacturer Responsible For Recall: |
MACK TRUCKS, INC |
| Report Received Date: |
19790403 |
| Record Creation Date: |
19791012 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
AN IMPROPER PINCH BOLT AND NUT MAY HAVE BEEN USED IN THE CLAMPING OF THE STEERING SHAFT TO THE STEERING GEAR INPUT SHAFT. DUE TO CLAMPING FORCE LOADS APPLIED AT THE BOLT, THE NUT COULD YIELD, RESULTING IN LOOSENESS OF THE INPUT SHAFT YOKE. SHOULD THIS CONDITION GO UNNOTICED, SPLINE WEAR COULD CAUSE SHAFT SEPARATION. |
| Consequence Summary: |
|
| Corrective Summary: |
VEHICLES WILL BE INSPECTED AND, IF NECESSARY, THE CORRECT FASTENERS WILL BE INSTALLED AT NO CHARGE TO OWNER. |