PCV Valve: Inspection

WARNING: This page is about a different variant/trim than selected.

INSPECT VENTILATION VALVE SUB-ASSEMBLY
1. Install a clean hose to the ventilation valve sub-assembly.
  
  Fig 1: Removing Ventilation Valve Sub-Assembly
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check the ventilation valve operation.
  1. Blow air into the cylinder block side and check that air passes through easily. If the result is not as specified, replace the ventilation valve sub-assembly.
    CAUTION: Do not suck air through the valve. Petroleum substances inside the valve are hazardous to your health.
    
    Fig 2: Checking Ventilation Valve Operation - Blow Air Into Cylinder Block Side
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  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 sub-assembly.
3. Remove the clean hose from the ventilation valve sub-assembly.
Fig 3: Checking Ventilation Valve Operation - Blow Air Into Intake Manifold Side
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002