NHTSA Campaign Id 78V254000; Date: Nov. 20, 1978
1977 Volvo F613; 1978 Volvo F613
Component: Service Brakes, Hydraulic:foundation Components:master Cylinder
Manufactured by: Volvo Of America Corp.
Affected Units:: 426
The involved vehicles may have been assembled with an incorrectly manufactured brake master cylinder tilting valve. These defective tilting valves may develop internal leakage with many brake applications and cause hydraulic brake pressure loss in one or both vehicle brake circuits.
Dealer will equip all affected vehicles with the correct tilting valves at no cost to owner.
Vehicle description: trucks. System: service brakes; master cylinder. Consequences of defect: loss of hydraulic brake pressure will result in loss ofbraking efficiency which could lead to loss of vehicle control and an accident.
Date Owners notified by Manufacturer: Nov 27, 1978
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