Vehicle Recall Archive for 1972 MACK

Record ID	26686
Campaign Number	78V171000
Make of Vehicle	MACK
Model of Vehicle	U
Year	1972
Make Campaign Number
Component Description	STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
Defect 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.
Effect of Defect
Fix Defect	DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE LEFT STEERING KNUCKLE WITH AN IMPROVED TYPE OF KNUCKLE.
Manufacturers	MACK TRUCKS, INCORPORATED
Start of Manufacture
End of Manufacture
Type of Recall	VEHICLE
Number Affected	2100
Date Owners Notified	19790810
Initiated By	MFR
Responsible Maufacturer
Date Report Received	19780808
Part Number
Federal MV Safety Standard

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