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Home >> Renault >> 1976 >> R12 Base, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Emissions System - EVAP >> Testing >> Carburetor Float Chamber Control Valve
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Carburetor Float Chamber Control Valve

When engine is stopped, valve should be open to carbon canister. When engine is running, valve should be open to atmosphere. Clearance between valve lever and actuating arm should be 0.012 - 0.024" (0.020 - 0.060" on R-12). Adjust to specifications by bending tab of actuating arm which contacts back part of cam. See Figure.

NOTE: If carburetor has earlier valve with external hairpin spring, newer valve with Internal coil spring must be Installed.
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