NHTSA Campaign 98V179000

ENGINE AND ENGINE COOLING:COOLING SYSTEM

Issued by MACK TRUCKS, INCORPORATED · Reported Aug 3, 1998 · 62 vehicles affected

What's wrong

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.

Vehicles affected by this recall

Make Model Year Units
MACK CONQUEST 1996 62
MACK CONQUEST 1997 62
MACK CONQUEST 1998 62
MACK FDM7133R 1996 62
MACK FDM7133R 1997 62
MACK FDM7133R 1998 62

Source: NHTSA Campaign 98V179000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.