NHTSA Campaign Id 78V153000; Date: Jul. 3, 1978
1971 Ford B Series; 1972 Ford B Series; 1973 Ford B Series; 1974 Ford B Series; 1975 Ford B Series; 1976 Ford B Series; 1977 Ford B Series; 1971 Ford F Series; 1972 Ford F Series; 1973 Ford F Series; 1974 Ford F Series; 1975 Ford F Series; 1976 Ford F Series; 1977 Ford F Series; 1970 Ford L800; 1971 Ford L800; 1972 Ford L800; 1973 Ford L800; 1974 Ford L800; 1975 Ford L800; 1976 Ford L800; 1977 Ford L800; 1971 Ford Ln Series; 1972 Ford Ln Series; 1973 Ford Ln Series; 1974 Ford Ln Series; 1975 Ford Ln Series; 1976 Ford Ln Series; 1977 Ford Ln Series
Component: Engine And Engine Cooling:cooling System:fan
Manufactured by: Ford Motor Company
Affected Units:: 125,000
The engine cooling fan blades may crack and chip due to high stresses caused by vibrations. The chipped pieces of the blade could fly into the underhood components. Also, these pieces could fly out from the vehicle if the hood is open and the engine is running.
The dealer will replace the existing fan blade assembly with one of another design at no cost to owner.
Vehicle description: heavy trucks. System: engine cooling; fans. Consequences of defect: the blade fragments could cause engine damage and, ifhood is open, serious personal injury to nearby persons.
Date Owners notified by Manufacturer: Nov 2, 1978
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