1977 MACK DMM RECALL - #77V173000
RECALL FOR ENGINE AND ENGINE COOLING : COOLING SYSTEM : FAN
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.
Information provided by the National Highway Traffic Safety Administration.
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| Vehicle |
1977 MACK DMM |
|
| Manufacturer |
MACK TRUCKS, INCORPORATED |
| Manufactured between |
1/1/1900 - 1/1/1900 |
| Recalled on |
10/12/1979 |
| Influenced by |
OFFICE OF DEFECTS INVESTIGATION |
| Owners Notified on |
3/23/1978 |
| # Affected |
48,000 |
| Recalled for |
ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN |
|
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| Description |
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. |
| Consequences |
|
| Corrective action |
DEALER WILL REPLACE THE ORIGINAL FAN WITH A STEEL FIXED BLADE FAN, FREE OF CHARGE. |
| Notes |
VEHICLE DESCRIPTION: TRUCKS EQUIPPED WITH SIX-CYLINDER ENGINES.SYSTEM: ENGINE COOLING; FAN.CONSEQUENCES OF DEFECT: BROKEN PIECES CAN BE PROPELLED OUTSIDE OF THE FANSHROUD AND WILL PRESENT AN IMMEDIATE DANGER AND POSSIBLE INJURY TO PERSONSSTANDING NEARBY.NOTE: PRIOR TO CORRECTION, VEHICLE SHOULD NOT BE SERVICED WITH THE HOOD RAISEDAND THE ENGINE RUNNING. |
| See also |
1977 MACK DMM Recall for SEAT BELTS, FRONT, ANCHORAGE
1977 MACK DMM Recall for STEERING, LINKAGES, KNUCKLE, SPINDLE, ARM
1977 MACK DMM Recall for SERVICE BRAKES, AIR, ANTILOCK, INTERCONNECTING ASSEMBLY(WIRING)
1977 MACK DMM Recall for ENGINE AND ENGINE COOLING, ENGINE
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