NHTSA Campaign 86V016000

FUEL SYSTEM, GASOLINE:DELIVERY

Issued by WESTERN STAR TRUCKS, INC. · Reported Feb 4, 1986 · 5 vehicles affected

What's wrong

THE ENGINE CONTINUES TO RUN OR CAN START UP WHEN THE SENTINEL SHUTDOWN UNIT BLOCKS THE FLOW OF FUEL. THIS ALLOWS FUEL PRESSURE TO BUILD UP IN THE FUEL LINE WHICH MAY CAUSE THE FUEL LINE OR FILTER TO SPLIT OPEN AND LEAK OR SPRAY FUEL INTO THE ENGINE COMPARTMENT. CONSEQUENCE OF DEFECT: IF THIS OCCURS, THE FUEL LEAKING OR SPRAYING INTO THE ENGINE COMPARTMENT MAY CAUSE A FIRE. NOTE: AN IMMEDIATE STEP TO BE TAKEN TO PREVENT A FAILURE IS TO TURN THE CONTROL HANDLE ON THE SENTINEL SHUTDOWN UNIT FROM "RUN" TO "BYPASS".

Remedy

INSTALL A PRESSURE RELIEF VALVE INTO THE FUEL SUPPLY LINE.

Vehicles affected by this recall

Make Model Year Units
WESTERN STAR WESTERN STAR 1983 5
WESTERN STAR WESTERN STAR 1984 5
WESTERN STAR WESTERN STAR 1985 5

Source: NHTSA Campaign 86V016000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.