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Vehicle recall 98V179000 · August 3, 1998

Mack Conquest and FDM7133R

Vehicle description: front discharge, rear engine mixers.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

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).

Recall details

NHTSA campaign
98V179000
Reported to NHTSA
August 3, 1998
Filed by
MACK TRUCKS, INCORPORATED
Owner notification
November 9, 1998
Vehicles potentially affected
62
Initiated by
the manufacturer
Components
Engine and engine cooling › Cooling system
Recall 98V179000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your Mack been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Mack dealer can also check your VIN. Recall repairs are free.