Auto Recalls for Consumers

1977 MACK RWS Recall - Campaign #78V170000

 
Auto Recalls For Consumers

1977 MACK RWS RECALL - #78V170000

RECALL FOR ENGINE AND ENGINE COOLING : ENGINE

THE POSSIBILITY EXISTS THAT THE ALUMINUM ENGINE REAR SUPPORT BRACKETS MAY FAIL DUE TO METAL FATIGUE. THIS TYPE OF FAILURE WOULD ALLOW THE ENGINE AND TRANSMISSION ASSEMBLY TO DISLOCATE DOWNWARD. THIS WILL RESULT IN THROTTLE CONTROL LOSS WITH THE ENGINE OPERATING CONTINUOUSLY IN THE MID TO UPPER RANGE OF THE GOVERNED SPEED RANGE.

Information provided by the National Highway Traffic Safety Administration.

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Vehicle 1977 MACK RWS
Manufacturer MACK TRUCKS, INCORPORATED
Manufactured between 1/1/1900 - 1/1/1900
Recalled on 10/12/1979
Influenced by MACK TRUCKS, INCORPORATED
Owners Notified on 12/4/1978
# Affected 850
Recalled for ENGINE AND ENGINE COOLING:ENGINE
Description THE POSSIBILITY EXISTS THAT THE ALUMINUM ENGINE REAR SUPPORT BRACKETS MAY FAIL DUE TO METAL FATIGUE. THIS TYPE OF FAILURE WOULD ALLOW THE ENGINE AND TRANSMISSION ASSEMBLY TO DISLOCATE DOWNWARD. THIS WILL RESULT IN THROTTLE CONTROL LOSS WITH THE ENGINE OPERATING CONTINUOUSLY IN THE MID TO UPPER RANGE OF THE GOVERNED SPEED RANGE.
Consequences
Corrective action DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALUMINUM SUPPORT BRACKETS WITH BRACKETS MADE FROM DUCTILE IRON FOR INCREASED STRENGTH.
Notes VEHICLE DESCRIPTION: TRUCKS.SYSTEM: ENGINE; ENGINE MOUNTING BRACKET.CONSEQUENCES OF DEFECT: LOSS OF THROTTLE CONTROL MAY RESULT IN LOSS OF VEHICLECONTROL AND AN ACCIDENT.
See also 1977 MACK RWS Recall for SERVICE BRAKES, AIR, ANTILOCK, INTERCONNECTING ASSEMBLY(WIRING)

1977 MACK RWS Recall for ELECTRICAL SYSTEM, WIRING

1977 MACK RWS Recall for ENGINE AND ENGINE COOLING, ENGINE

1977 MACK RWS Recall for STEERING, LINKAGES
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