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:

    Horn
    To sound the horn, press the horn symbol on your steering wheel. Check the horn regularly to be sure it operates properly. ✽ NOTICE To sound the horn, press the area indicated by the hor ...

    Canister Close Valve (CCV). Description and Operation
    Description Canister Close Valve (CCV) is installed on the canister ventilation line. It seals evaporative emission control system by shutting the canister from the atmosphere when leakage d ...

    Description and Operation
    Description The charging system includes a battery, an alternator with a built-in regulator, and the charging indicator light and wire. The Alternator has built-in diodes, each rectifying A ...