The defect
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.
The risk
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.
The remedy
DEALERS WILL REPLACE ALL THE INTERMITTENT DUTY MOTORS WITH CONTINUOUS DUTY CYCLE MOTORS.
NHTSA's own wording · initiated by ODI
Vehicles covered
| Model | Model years |
|---|---|
| Crown Coach School Bus | 1992 |
Components: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Model years in this recall
NHTSA complaints and the number of recall campaigns for each model year this recall covers.
| Model | Year | Complaints | Recalls |
|---|---|---|---|
| Crown Coach School Bus | 1992 | 0 | 1 |
Other fuel system, gasoline recalls in 1996
21 of the 297 recall campaigns reported to NHTSA in 1996 concerned the fuel system, gasoline; CARPENTER INDUSTRIES, INC. filed 14 campaigns in all.
| 96V228000 18 Nov 1996 | CHRYSLER CORPORATION |
| 96V234000 14 Nov 1996 | GENERAL MOTORS CORP. |
| 96V212000 30 Oct 1996 | GENERAL MOTORS CORP. |
| 96V204000 22 Oct 1996 | HARLEY-DAVIDSON MOTOR CO. |
| 96V203000 17 Oct 1996 | FORD MOTOR COMPANY |
| 96V162003 1 Oct 1996 | U.S. BUS CORPORATION |
| 96V162000 1 Oct 1996 | GENERAL MOTORS CORP. |
| 96V162002 12 Sept 1996 | THOMAS BUILT BUSES, INC. |
NHTSA recalls (public domain) · all recalls of 1996