Hyundai Sonata: Positive Crankcase Ventilation (PCV) Valve. Description and Operation
Operation Principle

Repair procedures
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove
the PCV valve.
2.
Reconnect the PCV valve to the vapor hose.
...
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 ...
See also:
Necessary inspections
Fluid levels, such as engine oil, engine coolant, brake fluid, and washer fluid
should be checked on a regular basis, with the exact interval depending on the fluid.
Further details are provided i ...
If the engine overheats
If your temperature gauge indicates overheating, you experience a loss of power,
or hear loud pinging or knocking, the engine is probably too hot. If this happens,
you should:
1. Pull off the roa ...
Air conditioning
Press the A/C button to turn the air conditioning system on (indicator light
will illuminate). Press the button again to turn the air conditioning system off. ...
