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CHECK VALVE INSPECTION [L3 Turbo]

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1. Remove the check valve. (See EVAPORATIVE EMISSION (EVAP) CONTROL SYSTEM REMOVAL/INSTALLATION [L3 Turbo].)

2. Blow through the valve and verify that air flows as specified.

  • If not as specified, replace the check valve.

Specification

Condition | Airflow
--- | ---
Air applied from port B to A | Yes
Air applied from port A to B | No*

  * :
The check valve is normal if the aeration to port B is 3.5 kPa/min {0.03 kgf/cm 2·min, 0.5 psi/min} or less when 130 kPa {1.32 kgf/cm 2, 18.9 psi} is applied to port A.