| Make : MACK | Model : DM | Year : 1977 |
| Build Dates : 19770301 - 19781101 | ||
| NHTSA Campaign ID Number : 79V082000 | ||
| Date Owners Notified: 19790813 | Date Received by ODI: 19790403 | Date Added to Database: 19791012 |
| Manufacturer(s) Involved: MACK TRUCKS, INCORPORATED | ||
| Manufacturer(s) Responsible for the Recall: MACK TRUCKS, INC | ||
| Manufacturer Campaign Number: | ||
| Component: STEERING:WHEEL AND HANDLE BAR | ||
| Potential Number of Units Affected: 12000 | ||
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Summary of the Safety Concern:
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. |
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Consequence:
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Remedy:
VEHICLES WILL BE INSPECTED AND, IF NECESSARY, THE CORRECT FASTENERS WILL BE INSTALLED AT NO CHARGE TO OWNER. |
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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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