THE INCORRECT ELECTRICALMOTOR WAS INSTALLED ON THE FUEL PUMP THAT SUPPLIES FUEL TO THE ENGINE. THE MOTOR WAS SPECIFIED TO BE A CONTINUOUS DUTY MOTOR AND THE MOTORS INSTALLED WERE INTERMITTENT DUTY MOTORS. THE INTERMITTENT DUTY MOTORS UNDER CERTAIN CONDITIONS WILL OVERHEAT RESULTIN IN A THERMAL SWITCH SHUT DOWN OF THE ELECTRIC MOTOR.
Consequence & remedy
Consequence: THIS CONDITION WILL STOP THE FLOW OF FUEL TO THE BUS ENGINE AND THE VEHICLE WILL THEN STALL INCREASING THE POTENTIAL FOR A VEHICLE ACCIDENT.
Remedy: DEALERS WILL REPLACE ALL THE INTERMITTENT DUTY MOTORS WITH CONTINUOUS DUTY CYCLE MOTORS.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2
EA94034 · Floor Failure
Opened Oct 24, 1994 · Closed Dec 8, 1994
Status: closed (inferred from source dates) · Structure
There is no summary currently available
PE94049 · School Bus Floor Failure
Opened Jun 23, 1994 · Closed Oct 24, 1994
Status: closed (inferred from source dates) · Structure
There is no summary currently available
1992 Crown Coach School Bus Problems, Complaints & Recalls | Skip That Year