NHTSA Campaign Id 86V081000; Date: Jun. 23, 1986
1981 Chevrolet C70; 1982 Chevrolet C70; 1983 Chevrolet C70; 1984 Chevrolet C70; 1985 Chevrolet C70; 1981 GMC C70; 1982 GMC C70; 1983 GMC C70; 1984 GMC C70; 1985 GMC C70
Component: Steering:linkages:arm:idler And Attachment
Manufactured by: General Motors Corp.
Affected Units:: 499
Steering control arm can be overstressed with heavy steering input causing it to crack and it could eventually break completely. Consequence of defect: if the steering control arm breaks, complete loss of steering ability and truck control would occur without warning which could result in an accident.
Install new steering arm and other steering system hardware which will prevent overstressing input conditions from occurring.
System: steering control arm. Vehicle description: medium duty conventional trucks equipped with 9,000 or 12,000 lb. Front driving steering axle and an 8. 2 liter engine.
Date Owners notified by Manufacturer: Aug 21, 1986
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