Hyundai Sonata: Positive Crankcase Ventilation (PCV) Valve. Repair procedures - Crankcase Emission Control System - Emission Control SystemHyundai Sonata: Positive Crankcase Ventilation (PCV) Valve. Repair procedures

Hyundai Sonata YF 2011-2014 Service Manual / Emission Control System / 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.
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)

    See also:

    Hazardous driving conditions
    When hazardous driving conditions are encountered such as water, snow, ice, mud, sand, or similar hazards, follow these suggestions: Drive cautiously and allow extra distance for braking. ...

    Winter driving
    More severe weather conditions of winter result in greater wear and other problems. To minimize winter driving problem, you should follow these suggestions: Snowy or icy conditions To drive yo ...

    Theft-alarm stage
    The alarm will be activated if any of the following occurs while the system is armed. A door is opened without using the transmitter (or smart key or mechanical key). The trunk is opened wi ...