Kia Optima: Crankcase Emission Control System / Positive Crankcase Ventilation (PCV) Valve
Description and operation

Repair procedures
1. |
Disconnect the vapor hose (A).
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2. |
Remove the PCV valve (B).
Tightening torque :
1.96 - 2.94 N.m (0.2 - 0.3 kgf.m, 1.45 - 2.17 lb-ft)
|

|
1. |
Insert a thin stick (A) into the PCV valve (B) from the threaded side
to check that the plunger moves.

If the plunger does not move (PCV valve is clogged), clean or
replace the valve.
|
|
1. |
Install in the reverse order of removal.
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Schematic diagrams
Schematic Diagram
Repair procedures
Inspection
1.
After disconnecting the vapor hose from the PCV valve, remove the PCV
valve.
...
Description and operation
Description
Evaporative Emission Control System prevents fuel vapor stored in fuel tank from
vaporizing into the atmosphere. When the fuel evaporates in the f ...
Other information:
Components and components location
Components
1. Rear wheel speed sensor
2. Rear wheel speed sensor connector
Repair procedures
Removal
1.
Disconnect the (-) battery terminal.
2.
Remove the ...
Repair procedures
Front Wheel Alignment
•
When using a commercially available computerized wheel alignment
equipment to inspect the front wheel alignment, always position
the vehi ...