CHECK VALVE (TWO-WAY) INSPECTION [LF, L5]
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Integrated rollover valve
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Note
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• The check valve (two-way) cannot be disassembled and inspected as it is built into the rollover valve.
1. Perform the fuel tank inspection. (See FUEL TANK INSPECTION [LF, L5].)
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Integrated evaporative hose
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Note
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• The check valve (two-way) cannot be removed as a single unit. When replacing the check valve (two-way), replace it together with the evaporative hose as a single unit.
1. Remove the evaporative hose with the check valve (two-way). (See FUEL TANK REMOVAL/INSTALLATION [LF, L5].)
2. Apply pressure port A and verify that there is airflow.
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• If there is no airflow, replace the evaporative hose with the check valve (two-way).
3. Apply negative pressure to port A and verify that there is airflow with a vacuum of 0.9 kPa or more.
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• Replace the evaporative hose with the check valve (two-way) in the following cases:
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― There is no airflow with vacuum of 0.9 kPa or more
― There is airflow with vacuum of less than 0.9 kPa
