Ventilation Valve Inspection

Engine. Lexus Gs430, Gs300. Uzs190 Grs190
3Uz-Fe Emission Control. Lexus Gs430, Gs300. Uzs190 Grs190

  1. INSPECT VENTILATION VALVE SUB-ASSEMBLY

Ventilation Valve -- Inspection



1. INSPECT VENTILATION VALVE SUB-ASSEMBLY

  1. Install a clean hose to the ventilation valve.



  1. Inspect operation of the ventilation valve.



      Lexus Gs430, Gs300. Uzs190 Grs190.3Uz-Fe Emission Control.Emission Control System.Ventilation Valve Inspection

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

      NOTICE:
      Do not suck air through the valve. Petroleum substances remaining inside the valve are harmful.


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

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

  1. Remove the clean hose from the ventilation valve.