MACK MC600 1979: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

General Information

NHTSA Campaign ID Number: 82V131000

Make Model Year
MACK MC600 1979
Date Owners Notified Date Received by ODI Date Added to Database
1983-07-13 1982-12-21 1983-01-17

Production Dates: 1979-03-01 - 1981-09-01

Manufacturers Involved: Mack Trucks, Inc.

Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

Potential Number Of Units Affected: 5050

Report Initiator: MFR MFR Report

Summary

DUE TO THE HIGH STRAIN WITHIN THE FAN BLADES OF THE COOLING FAN, CRACKS MAY DEVELOP IN THE FAN. THESE CRACKS MAY LEAD TO COMPLETE FRACTURE OF THE COOLING FAN, PROPELLING THE FAN AND PIECES OF THE FAN BLADES OUTSIDE THE FAN SHROUD.

Remedy

THE DEALER WILL INSTALL COOLING FANS WITH IMPROVED FAN BLADES ON ALL AFFECTED VEHICLES FREE OF CHARGE TO OWNER.

Notes

VEHICLE DESCRIPTION: HEAVY TRUCKS.SYSTEM: ENGINE COOLING; ENGINE COOLING FAN.CONSEQUENCES OF DEFECT: PROPELLED FAN BLADE PIECES MAY CAUSE SERIOUS INJURY TOPERSONS WORKING ON THE ENGINE OR STANDING NEAR THE FRONT OF THE UNIT.