NHTSA Campaign Id 80V017000; Date: Feb. 26, 1980
1978 Chevrolet Chevrolet Truck; 1979 Chevrolet Chevrolet Truck; 1980 Chevrolet Chevrolet Truck; 1978 GMC GMC; 1979 GMC GMC; 1980 GMC GMC
Component: Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings
Manufactured by: General Motors Corp.
Affected Units:: 850
During testing of the fire apparatus, extreme heat generated from the right side engine exhaust manifold, resulted in damage to the brake hose at the frame fitting. This could cause a leak in the front axle hydraulic brake hose.
Dealer will install an exhaust heat shield at the right side frame to brake hose fitting and replace front brake hoses at no charge to owner.
Vehicle description: medium trucks equipped with hydraulic brakes, mark ivengines and fire apparatus. System: service brakes; hydraulic brake hose. Consequences of defect: a leak in the brake hose would result in loss ofbraking action without prior warning and, possibly, an accident.
Date Owners notified by Manufacturer: Feb 21, 1980
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