Auto Recalls for Consumers

1973 MACK U Recall - Campaign #78V171000

 
Auto Recalls For Consumers

1973 MACK U RECALL - #78V171000

RECALL FOR STEERING : LINKAGES : KNUCKLE : SPINDLE : ARM

DEFICIENCIES, IN THE FORM OF FORGING LAPS, CRACKS AND EXCESSIVE DECARBURIZATION DURING HEAT TREATMENT, EXIST IN THE STEERING KNUCKLES. STRESSES IMPOSED WITH INTEGRAL HYDRAULIC POWER STEERING MAY LEAD TO A FAILURE IN THE AREA OF THE STEERING ARM ATTACHING BOSS. THIS TYPE OF FAILURE WOULD CAUSE LOSS OF STEERING CONTROL.

Information provided by the National Highway Traffic Safety Administration.

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Vehicle 1973 MACK U
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 8/10/1979
# Affected 2,100
Recalled for STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
Description DEFICIENCIES, IN THE FORM OF FORGING LAPS, CRACKS AND EXCESSIVE DECARBURIZATION DURING HEAT TREATMENT, EXIST IN THE STEERING KNUCKLES. STRESSES IMPOSED WITH INTEGRAL HYDRAULIC POWER STEERING MAY LEAD TO A FAILURE IN THE AREA OF THE STEERING ARM ATTACHING BOSS. THIS TYPE OF FAILURE WOULD CAUSE LOSS OF STEERING CONTROL.
Consequences
Corrective action DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE LEFT STEERING KNUCKLE WITH AN IMPROVED TYPE OF KNUCKLE.
Notes VEHICLE DESCRIPTION: TRUCK TRACTORS.SYSTEM: STEERING; STEERING KNUCKLE.CONSEQUENCES OF DEFECT: LOSS OF STEERING CONTROL COULD CAUSE A VEHICLEACCIDENT.
See also 1973 MACK U Recall for ENGINE AND ENGINE COOLING, COOLING SYSTEM, FAN
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