NHTSA recall 90V081000
Engine and engine cooling › Cooling system › Fan
Chevrolet Forward 4000 and 2 more
Reported May 15, 19905,163 vehicles affectedISUZU MOTORS LIMITEDBuilt Jan 1, 1989 – Mar 1, 1990
The defect
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.
The risk
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.
The remedy
Repair or replace adapter plate to prevent cracks and damage.