NHTSA Campaign Id 87V183000; Date: Dec. 1, 1987
Ball joint nut could loosen causing separation of theball joint from the steering knuckle; this could result in loss of steeringcontrol and a vehicle crash without prior warning.
1987 Chevrolet S10507
Component: Steering:linkages:knuckle:spindle:arm
Manufactured by: General Motors Corp.
Affected Units:: 1,436
Cotter pins in the upper and lower ball joints may have been improperly crimped allowing the cotter pin to come out of the stud.
Replace improperly crimped or missing ball joint stud nut cotter pins; also, replace steering knuckle assemblies, as necessary.
System: steeringvehicle description: post office vehicles
Date Owners notified by Manufacturer: Dec 15, 1987
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