Lexus ES: Inspection
INSPECTION
PROCEDURE
1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY)
(a) Install a hose to the PCV valve (ventilation valve sub-assembly).
(b) Check PCV valve (ventilation valve sub-assembly) operation.
(1) Blow air into the cylinder head sub-assembly side, and check that air passes through easily.
| *a | Hose |
| *b | Air |
.png) | Cylinder Head Sub-assembly Side |
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 PCV valve (ventilation valve sub-assembly).
(2) Blow air into the intake manifold side, and check that air passes through with difficulty.
| *a | Hose |
| *b | Air |
| | Intake Manifold Side |
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 PCV valve (ventilation valve sub-assembly).
(c) Remove the hose from the PCV valve (ventilation valve sub-assembly).
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