WL: ENGINE AND ENGINE COOLING:ENGINE

Go Back To 1975 MACK TRUCKS, INC Directory

NHTSA Campaign Number:	78V170000
Vehicle/Equipment Make:	MACK
Vehicle/Equipment Model:	WL
Model Year:	1975
Manufacturer Campaign Number:
Manufacturer Component Description:	ENGINE AND ENGINE COOLING:ENGINE
Manufacturers Involved in Recall:	MACK TRUCKS, INCORPORATED
Manufacturered:	-
Type of Report:	V (Vehicle, Equipment or Tire)
Potential Number of Units Affected:	850
Date Owner Notified By Manufacturer:	19781204
Recall Initiated By:	19781204
Manufacturer Responsible For Recall:	MACK TRUCKS, INC
Report Received Date:	19780808
Record Creation Date:	19791012
Regulation Part Number:
Federal Motor Vehicle Safety Standard Number:
Defect Summary:	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.
Consequence Summary:
Corrective Summary:	DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALUMINUM SUPPORT BRACKETS WITH BRACKETS MADE FROM DUCTILE IRON FOR INCREASED STRENGTH.

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