Defect summary
SOME OF THE FLEXIBLE FIVE-BLADE ENGINE COOLING FANS MAY BE SUBJECT TO HIGH BLADE STRESSES THAT CAN RESULT FROM RESONANT VIBRATION INPUTS OCCURRING DURING NORMAL VEHICLE OPERATION. THIS CAN RESULT IN THE BLADES CRACKING DUE TO FATIGUE, AND PORTIONS OF THE BLADE MAY SEPARATE FROM THE FAN ASSEMBLY WITHOUT PRIOR WARNING.
Remedy
DEALER WILL REPLACE DEFECTIVE FAN WITH ONE OF AN IMPROVED FIVE-BLADED DESIGN, WITHOUT CHARGE TO OWNER.
Notes
VEHICLE DESCRIPTION: PASSENGER VEHICLES EQUIPPED WITH 351W CID ENGINES AND AIRCONDITIONING.SYSTEM: ENGINE COOLING; FAN.CONSEQUENCES OF DEFECT: BLADE PORTIONS PROPELLED FROM A ROTATING FAN MAY DAMAGEUNDERHOOD COMPONENTS AND CAUSE PERSONAL INJURY TO BYSTANDERS IF THE HOOD ISOPEN.
Source: NHTSA ODI recalls file, campaign 80V143000. Text as published by NHTSA.