Kia Optima Hybrid: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve Repair procedures

Removal
1.
Disconnect the vapor hose (A).
2.
Remove the PCV valve (B).

Inspection
1.
Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger movement.

   
If the plunger does not move (PCV valve is clogged), clean or replace the valve.
Installation
1.
Install in the reverse order of removal.

PCV Valve installation:
1.9 ~ 2.8 N.m (0.19 ~ 0.29 kgf.m, 1.4 ~ 2.1 lb-ft)

Positive Crankcase Ventilation (PCV) Valve Description and Operation

Operation Principle ...

Evaporative Emission Control System

...

Other information:

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