CHECK VALVE [SKYACTIV-G 1.3, SKYACTIV-G 1.5]SM2759913
CHECK VALVE [SKYACTIV-G 1.3, SKYACTIV-G 1.5]

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Purpose, Function

• The check valve adjusts and maintains the pressure in the fuel tank at a constant pressure.

Construction

• The check valve is built into the rollover valve.
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Operation

• The valve moves in response to the difference in air pressure between the fuel tank side and the atmospheric side, thereby changing the path of airflow.
• When the pressure in the fuel tank becomes negative due to fuel consumption or other factors, the path opens, drawing atmospheric air into the fuel tank.