Visibility: windshield wiper/washer: motor
- Component
- Visibility: windshield wiper/washer: motor
- Manufacturer
- STEWART & STEVENSON SERV.
- Vehicles affected
- 15
- Reported to NHTSA
- 1993-03-02
- Owners notified
- 1993-02-09
Defect description
REGULAR NUTS, INSTEAD OF LOCKING NUTS, WERE USED TO SECURE AN EXTENSION ARM FROM THE FORWARD SIDE OF THE WINDSHIELD WIPER MOTOR TO THE WIPER ARM. THE NON-LOCKING NUT CAN LOOSEN AND ALLOW THE EXTENSION ARM TO "SLIP" OFF THE TAPERED SHAFT CAUSING THE WIPERS TO CEASE TO FUNCTION.
Safety risk
NON-FUNCTIONING WIPERS RESULTS IN REDUCED VISIBILITY FORTHE DRIVER IN INCLEMENT WEATHER CONDITIONS AND INCREASES THE RISK OF OCCURRENCEOF AN ACCIDENT.
Manufacturer remedy
REPLACE THE REGULAR NUTS WITH A LOCKING NUT.