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


BUE011613890N02

• Mainly consists of a spring and valves.
• 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.

1
Spring
2
Internal valve
3
PCV valve
4
From oil separator
5
To intake manifold