Hyundai Sonata: Positive Crankcase Ventilation (PCV) Valve. Repair procedures - Crankcase Emission Control System - Emission Control SystemHyundai Sonata: 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.
Installation is reverse of removal.

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


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