1983 CHEVROLET C7 Recalls (2)

Campaign:

84V120000 on 11/12/1984

Component:

Service brakes, air:supply:check valve

Manufactured:

11/30/1982 - 07/31/1983

Affected:

3,948

Defect:

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.

Correction:

The air tank will be inspected and, if necessary, the air valve will be replaced with one containing a stainless steel spring.

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.

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Campaign:

85V085000 on 07/23/1985

Component:

Service brakes, air:supply:hoses, lines/piping, and fittings

Manufactured:

09/30/1982 - 10/31/1984

Affected:

624

Defect:

The front air brake hose may contact the inner fender on the left and/or right sides of some trucks. in some instances, the brake hose may rub through, resulting in a loss of air pressure upon brake application. consequence of defect: brake hose may rub through causing air pressure loss when brakes are applied and reduced braking ability. a reduction of braking ability at a time when minimum stopping distance is required could result in a vehicle crash without prior warning.

Correction:

Install new brake chamber support brackets, brake line elbows, and air brake hoses, as necessary.

Notes:

Vehicle description: medium duty trucks equipped with tilt hoods, 7000# front axle and air brakes.system: front brake hose.

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