TOYOTA MARK II 1970: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

General Information

NHTSA Campaign ID Number: 70V107000

Make Model Year
TOYOTA MARK II 1970
Date Owners Notified Date Received by ODI Date Added to Database
1970-09-01 1970-09-08 1979-10-12

Manufacturers Involved: Toyota Motor Corporation

Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER

Potential Number Of Units Affected: 47879

Report Initiator: MFR MFR Report

Notes

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.'