Engine and engine cooling: engine: gasoline: turbo/supercharger
- Component
- Engine and engine cooling: engine: gasoline: turbo/supercharger
- Manufacturer
- INTERNATIONAL TRUCK AND ENGINE
- Vehicles affected
- 373
- Reported to NHTSA
- 1994-08-02
- Owners notified
- 1994-08-23
Defect description
FOUR COMPRESSION BACKPLATE RETAINING FASTENERS ON THE TURBO-CHARGER WERE TORQUED ONLY HAND TIGHT. THIS ALLOWS THE FASTENERS TO LOOSEN, AND CAUSES OIL TO LEAK INTO THE COMPRESSOR AIR SIDE OF THE TURBO-CHARGER WHICH, WHEN COUPLED WITH THE HEAT PRECIPITATED BY THE COMPRESSOR AND THE MIXING ACTION OF THE COMPRESSOR WHEEL, CAN RESULT IN AN AIR/OIL MIXTURE THAT FUELS THE ENGINE.
Safety risk
WHEN THIS OCCURS, ENGINE RUN-ON AND SUBSEQUENT LOSS OF OPERATOR CONTROL VIA THE NORMAL THROTTLE MECHANISM CAN OCCUR, WHICH COULD RESULT IN A VEHICLE ACCIDENT.
Manufacturer remedy
REPLACE THE SUSPECT TURBO-CHARGER WITH A NEW TURBO-CHARGER.