NHTSA Campaign Id 78V145000; Date: Jun. 21, 1978
1973 International Harvester Loadstar Series; 1974 International Harvester Loadstar Series; 1975 International Harvester Loadstar Series; 1976 International Harvester Loadstar Series; 1977 International Harvester Loadstar Series
Component: Engine And Engine Cooling:exhaust System:emission Control
Manufactured by: International Harvester
Affected Units:: 2,500
The vapor separator in the fuel tank evaporative omission system lacks the capacity to prohibit liquid gasoline from passing to the canister under certain fuel expansion conditions. Gasoline would be discharged from the bottom of the canister onto the rear of engine, creating a fire hazard.
Dealer will install an additional fuel separator to enlarge capacity, and add a discharge hose to the bottom of the fuel canister.
Vehicle description: medium trucks. System: fuel; fuel tank. Consequences of defect: in the event of a vehicle fire, serious personal injuryand property damage could result. Note: the conditions which may promote the problem are: hot weather, use offuel with a high reid vapor pressure, and operating vehicle in frequentstop-start service.
Date Owners notified by Manufacturer: Aug 11, 1978
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