POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM [SKYACTIV-G 2.5T]

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Purpose, Outline

• The positive crankcase ventilation system prevents release of blow-by gas (unburnt gas, combustion products) into the atmosphere.

• The intake manifold vacuum introduces blow-by gas to the intake manifold via the PCV valve, PCV hose, or ventilation hose.

Structure

System diagram

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• The positive crankcase ventilation system consists of the following parts:

Part name

Reference

PCV valve

(See POSITIVE CRANKCASE VENTILATION (PCV) VALVE [SKYACTIV-G 2.5T].)

PCV hose

―

Ventilation hose

―

Part name	Reference
PCV valve	(See POSITIVE CRANKCASE VENTILATION (PCV) VALVE [SKYACTIV-G 2.5T].)
PCV hose	―
Ventilation hose	―