NHTSA Campaign Id 77V185000; Date: Oct. 25, 1977
1978 Ford Bronco; 1978 Ford Club Wagon; 1978 Ford E100; 1978 Ford E150; 1978 Ford E250; 1978 Ford E350; 1978 Ford Econoline; 1978 Ford F100; 1978 Ford F150; 1978 Ford F250; 1978 Ford F350; 1978 Ford LTD; 1978 Ford Thunderbird; 1978 Lincoln Mark V
Component: Power Train:automatic Transmission:lever And Linkage:column Shift
Manufactured by: Ford Motor Company
Affected Units:: 19,000
On the involved vehicles, the park actuation support plates are defective due to their susceptibility to cracking due to improper heat treatment during manufacture. As a result, fragments from a broken plate can become lodged in the transmission parking pawl mechanism. This could prevent the transmission parking pawl from engaging when the selector lever is placed in the "park" position, or prevent the pawl from being disengaged from the park gear.
The dealer will replace the park actuation cam support plates, free of charge, on all affected vehicles.
Vehicle description: passenger vehicles and light trucks equipped with c-6automatic transmissions. System: power train; park actuation gear support plates. Consequences of defect: if the vehicle is placed in the park mode without theparking brake engaged, the parking pawl may not engage the "park" gear and thevehicle would be allowed to roll free causing property damage and personalinjuries.
Date Owners notified by Manufacturer: Nov 21, 1977
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