POSITIVE CRANKCASE VENTILATION (PCV) VALVE CONSTRUCTION/OPERATION[L3 Turbo]

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•  Consists of a spring and valves.
•  The PCV valve ensures the passage of blowby gas by opening the valve according to the intake manifold vacuum, and adjusts the amount of gas by spring force.
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1
PCV valve
2
To intake manifold
3
From oil separator
4
Spring
5
Internal valve