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Home >> Mazda >> 1973 >> RX-2 Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Exhaust Emission Systems >> Testing >> Check Valve

Check Valve

Remove air control valve. Remove check valve seat, valve, and spring from air control valve. Check seating of valve and seat. Inspect spring. Free length of spring should be 1.06" (Man. Trans.) or.75" (Auto. Trans.).