PCV VALVE INSPECTION

Tech Tips

Although the part name refers to the ventilation valve sub-assembly, this procedure is for the PCV valve.


  1. INSPECT VENTILATION VALVE SUB-ASSEMBLY


    1. Install a clean hose to the ventilation valve sub-assembly.

    2. Check the ventilation valve sub-assembly operation.


      1. A011B5RE03
        Text in Illustration
        *a Cylinder Head Cover Side
        *b Air
        *c Clean Hose

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

        CAUTION:


        • Do not suck air through the valve.

        • Petroleum substances inside the valve are hazardous to your health.

        If the result is not as specified, replace the ventilation valve sub-assembly.

      2. A011BE3E03
        Text in Illustration
        *a Intake Manifold Side
        *b Air
        *c Clean Hose

        Blow air into the intake air manifold side, and check that air passes through with difficulty.

        CAUTION:


        • Do not suck air through the valve.

        • Petroleum substances inside the valve are hazardous to your health.

        If the result is not as specified, replace the ventilation valve sub-assembly.

    3. Remove the clean hose from the ventilation valve sub-assembly.