Engine and engine cooling: cooling system: fan
- Component
- Engine and engine cooling: cooling system: fan
- Manufacturer
- MACK TRUCKS, INCORPORATED
- Vehicles affected
- 11,000
- Reported to NHTSA
- 1993-08-20
- Owners notified
- 1993-10-01
Defect description
THE ENGINE COOLING FAN BLADES MAY BREAK DUE TO INADEQUATE BLADE STRENGTH AROUND THE RIVETS THAT ATTACH THE BLADES TO THE FAN SPIDER.
Safety risk
IF COMPLETE FRACTURE OF THE FAN BLADE OCCURS, IT COULDBE PROPELLED OUTSIDE THE FAN SHROUD, INJURING PERSON(S) IN THE VICINITY OFTHE TRUCK.
Manufacturer remedy
AN IMPROVED FAN WILL BE INSTALLED ON THESE VEHICLES.