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)


    See also:

    Auto down window (if equipped) (driver’s window)
    Pressing the power window switch momentarily to the second detent position (6) completely lowers the driver’s window even when the switch is released. To stop the window at the desired posit ...

    Rear Parking Assist System Switch Schematic Diagrams
    Circuit Diagram ...

    Fuel Pressure Control Valve Troubleshooting
    Signal Waveform ...