ISUZU I MARK 1986: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

General Information

NHTSA Campaign ID Number: 87V071000

Make Model Year
ISUZU I MARK 1986
Date Owners Notified Date Received by ODI Date Added to Database
1987-05-21 1987-05-27 1987-05-29

Production Dates: 1985-02-01 - 1986-02-01

Manufacturers Involved: Isuzu Motors Limited

Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Potential Number Of Units Affected: 28509

Report Initiator: MFR MFR Report

Summary

VEHICLE MAY EXPERIENCE PERFORATION OF THE FUEL PUMP DIAPHRAGM. EXCESSIVE ALCOHOL CONTENT IN THE FUEL PROMOTES DEGRADATION OF THE DIAPHRAGM COATING RESULTING IN RADIAL CRACKING OF THE DIAPHRAGM.

Consequence

A PERFORATED DIAPHRAGM CAN ALLOW FUEL TO LEAK FROM THEFUEL PUMP INTO THE UNDERHOOD AREA. THIS COULD ULTIMATELY RESULT IN ANUNDERHOOD FIRE WITHOUT PRIOR WARNING. SUCH A FIRE COULD SPREAD TO THEPASSENGER COMPARTMENT.

Remedy

A FUEL VENTALATION HOSE KIT WILL BE INSTALLED TO PREVENT FUEL FROM ESCAPING INTO THE ENGINE COMPARTMENT IF THE FUEL PUMP DIAPHRAGM LEAKS AND THEREBY REDUCE THE POSSIBILITY OF AN UNDERHOOD FIRE.

Notes

SYSTEM: FUELVEHICLE DESCRIPTION: PASSENGER CARS.