Engine and engine cooling: cooling system: fan
- Component
- Engine and engine cooling: cooling system: fan
- Manufacturer
- PACCAR, INCORPORATED
- Vehicles affected
- 997
- Reported to NHTSA
- 1991-04-18
- Owners notified
- 1991-08-01
Defect description
THE ENGINE FAN MAY EXPERIENCE A RESONANT FREQUENCY CAUSING PREMATURE FAN FAILURE, AND SEPARATION FROM THE ENGINE.
Safety risk
ENGINE FAN SEPARATION CAN CAUSE DEATH OR INJURY TO ANYPERSON IN THE PATH OF THE FAN.
Manufacturer remedy
REPLACE ENGINE FAN WITH FAN FROM ANOTHER MANUFACTURER.