MACK CONQUEST 1997: ENGINE AND ENGINE COOLING:COOLING SYSTEM

General Information

NHTSA Campaign ID Number: 98V179000

Make Model Year
MACK CONQUEST 1997
Date Owners Notified Date Received by ODI Date Added to Database
1998-11-09 1998-08-03 1998-08-17

Production Dates: 1996-10-11 - 1998-02-24

Manufacturers Involved: Mack Trucks, Inc.

Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM

Potential Number Of Units Affected: 62

Report Initiator: MFR MFR Report

Summary

VEHICLE DESCRIPTION: FRONT DISCHARGE, REAR ENGINE MIXERS. THE FAN DRIVE PULLEY THAT ATTACHES TO THE WATER PUMP CAN SHOW EXCESSIVE AXIAL RUNOUT CAUSING THE FAN AND PART OF THE FAN DRIVE TO SEPARATE FROM THE DRIVE PULLEY.

Consequence

THE FAN CAN CAUSE OTHER VEHICLE DAMAGE. IF THE HOOD IS OPEN AT THE TIME OF FAN FAILURE, FRAGMENTS PROPELLED COULD CAUSE POSSIBLE PERSONAL INJURY TO PERSONS SERVICING THE ENGINE OR STANDING NEARBY.

Remedy

DELERS WILL INSPECT THE WATER PUMP AND, IF NECESSARY, REPLACE THE PUMP.

Notes

OWNER NOTIFICATION BEGAN NOVEMBER 9, 1998. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT MACK AT 1-610-709-3011ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT'1-888-317-4236'.