CHEVROLET FORWARD 4000 1990: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

General Information

NHTSA Campaign ID Number: 90V081000

Make Model Year
CHEVROLET FORWARD 4000 1990
Date Owners Notified Date Received by ODI Date Added to Database
1990-05-22 1990-05-15 1990-05-31

Production Dates: 1989-01-01 - 1990-03-01

Manufacturers Involved: General Motors, LLC

Component: ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

Potential Number Of Units Affected: 5163

Report Initiator: MFR MFR Report

Summary

AT HIGH ENGINE SPEEDS, THE COOLING FAN ADAPTER PLATE, WHICH CONNECTS THE COOLING FAN AND THE FAN PULLEY, HAS INSUFFICIENT STRENGTH, ALLOWING CRACKS TO DEVELOP IN THE ADAPTER PLATE.

Consequence

COOLING FAN COULD BE DISLODGED, DAMAGING RADIATOR AND FAN GUIDE; AND FAN COULD BREAK LOOSE, FLY OUT OF ENGINE COMPARTMENT, AND INJURE PERSONS IN THE IMMEDIATE VICINITY.

Remedy

REPAIR OR REPLACE ADAPTER PLATE TO PREVENT CRACKS AND DAMAGE.

Notes

SYSTEM: COOLING FAN.VEHICLE DESCRIPTION: CLASS 3 MEDIUM DUTY TRUCK CHASSIS WITH AUTOMATIC TRANSMISSION.