NHTSA Recall 84V120000
NHTSA Campaign Id 84V120000; Date: Oct. 2, 1984
Recalled Vehicles:
1983 Chevrolet C6; 1983 Chevrolet C7; 1983 Chevrolet P6; 1983 GMC C6; 1983 GMC C7
Component: Service Brakes, Air:supply:check Valve
Manufactured by: General Motors Corp.
Affected Units:: 3,948
Recall Summary:
The dual air reservoirs of some trucks were equipped with carbon steel springs instead of stainless steel springs, as intended. The carbon steel spring is more susceptible to rusting than the stainless steel spring. This rusting could cause the check valve to fail, causing total loss of front and rear brakes.
How to Fix:
The air tank will be inspected and, if necessary, the air valve will be replaced with one containing a stainless steel spring.
Recall Notes:
Vehicle description: medium trucks equipped with air brakes. System: service brakes; air supply check valve. Consequences of defect: if an air leak were to occur and the driver did notheed warnings, an accident could result.
Date Owners notified by Manufacturer: Oct 17, 1984
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