NHTSA (USA)Medium Risk
1991 FORD THUNDERBIRDNHTSA Campaign #91V076000
The official notice
Defect
THE NUTS WHICH HOLD WINDSHIELD WIPER MOTOR TO THE WIPER MODULE MAY NOT HAVE BEEN SUFFICIENTLY TIGHTENED AND MAY LOOSEN OR COME OFF. THIS CAUSES CHANGED WIPER PATTERNS, OR THE WIPERS MAY JAM IF TWO OF THE THREE NUTS COME OFF.
Safety Risk
CHANGES IN THE WIPER PATTERN OR JAMMING OF THE WIPERSWOULD RESULT IN REDUCED DRIVER VISIBILTY IN INCLEMENT WEATHER CONDITIONS.
Remedy
APPLY TORQUE RETENTION MATERIAL TO WIPER MOTOR STUDS AND NUTS AND RETORQUE.
Updated June 10, 2026