1977 MACK R RECALL - #79V082000
RECALL FOR STEERING : STEERING WHEEL/HANDLE BAR
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.
Information provided by the National Highway Traffic Safety Administration.
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| Vehicle |
1977 MACK R |
|
| Manufacturer |
MACK TRUCKS, INCORPORATED |
| Manufactured between |
3/1/1977 - 11/1/1978 |
| Recalled on |
10/12/1979 |
| Influenced by |
MACK TRUCKS, INCORPORATED |
| Owners Notified on |
8/13/1979 |
| # Affected |
12,000 |
| Recalled for |
STEERING: STEERING WHEEL/HANDLE BAR |
|
|
| Description |
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. |
| Consequences |
|
| Corrective action |
VEHICLES WILL BE INSPECTED AND, IF NECESSARY, THE CORRECT FASTENERS WILL BE INSTALLED AT NO CHARGE TO OWNER. |
| Notes |
VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: STEERING; STEERING SHAFT CLAMP BOLT.CONSEQUENCES OF DEFECT: THIS DEFECT COULD CAUSE LOSS OF VEHICLE CONTROL AND AVEHICLE ACCIDENT. |
| See also |
1977 MACK R Recall for WHEELS
1977 MACK R Recall for ENGINE AND ENGINE COOLING, COOLING SYSTEM, FAN
1977 MACK R Recall for SEAT BELTS, FRONT, ANCHORAGE
1977 MACK R Recall for SUSPENSION, REAR, SPRINGS, LEAF SPRING ASSEMBLY, HANGER/BRACKET
1977 MACK R Recall for SUSPENSION, MULTIPLE AXLE
1977 MACK R Recall for ENGINE AND ENGINE COOLING, ENGINE, GASOLINE
1977 MACK R Recall for SERVICE BRAKES, AIR, ANTILOCK, INTERCONNECTING ASSEMBLY(WIRING)
1977 MACK R Recall for SUSPENSION, MULTIPLE AXLE
1977 MACK R Recall for ENGINE AND ENGINE COOLING, ENGINE
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