NHTSA Campaign Id 70V107000; Date: Sep. 8, 1970
1969 Toyota Mark Ii; 1970 Toyota Mark Ii
Component: Service Brakes, Hydraulic:foundation Components:master Cylinder
Manufactured by: Toyota Motor Co. , Ltd.
Affected Units:: 47,879
Possibility that during cold weather brake fluid may not adequately flowbetween reservoir tank and master cylinder. This condition would permitgradual accumula- tion of air into master cylinder system, resulting in softpedal during application of brakes. (cor- rect by installing improved mastercylinder components. ) because of rerouting the vacuum advancer hose anadditional clamp may have to be installed on fuel pipe between carburetor andfuel pump to eliminate excessive vibra- tion, which may result in fuel leakageunder prolonged high- speed operating conditions. Possibility that vacuumbooster check valve may fail to seal properly. (correct by replacing with typewith longer valve body. )
Date Owners notified by Manufacturer: Sep 1, 1970
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