Ventilation Valve Inspection

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Gr-Fse Emission Control. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSPECT VENTILATION VALVE

Ventilation Valve -- Inspection



1. INSPECT VENTILATION VALVE


    Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Emission Control.Emission Control System.Ventilation Valve Inspection

  1. Install a clean hose to the ventilation valve.



  1. Check the ventilation valve operation.

    1. Blow air into the cylinder head side, and check that air passes through easily.

      NOTICE:
      Do not suck air through the valve. Petroleum substances inside the valve are hazardous to your health.


      2. Lexus Gs430, Gs300. Uzs190 Grs190.3Gr-Fse Emission Control.Emission Control System.Ventilation Valve Inspection

    2. Blow air into the intake manifold side, and check that air passes through with difficulty.
      If the result is not as specified, replace the ventilation valve.

  1. Remove the clean hose from the ventilation valve.