Engine And Engine Cooling:engine:gasoline:turbo/supercharger

NHTSA recall 94V144000 · announced August 2, 1994 · filed by International Truck And Engine · 373 units affected

The problem

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.

The 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.

What to do

REPLACE THE SUSPECT TURBO-CHARGER WITH A NEW TURBO-CHARGER.

Notes

SYSTEM: ENGINE; TURBO-CHARGER.VEHICLE DESCRIPTION: TRUCKS AND BUSES EQUIPPED WITH NAVISTAR I-6 ENGINES.NOTE: IF YOUR VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED WITHIN A REASONABLE TIME FREE OF CHARGE OR THE REMEDY DOES NOT CORRECT THE DEFECT, PLEASE CONTACT NAVISTAR AT 1-800-448-7825. ALSO, CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.

Vehicles covered by this recall

Source: National Highway Traffic Safety Administration public recall data. This page reports official records and is not legal, medical, or repair advice.