The positive crankcase ventilation system is employed to prevent air pollution caused by blow-by gases being emitted from the crankcase. This system supplies fresh filtered air to the crankcase through the air intake hose. Inside the crankcase, the fresh air mixes with blow-by gases, which then pass through the PCV valve into the induction system.
Kia Cee'd JD Service Manual: Troubleshooting
Engine Overheat Troubleshooting
Inspection
Remedy
Visual inspection
Inspect for shortage of coolant in reservoir tank .
Reinspect after replenishing coolant.
Inspect for coolant pollution after ...
Kia Cee'd JD Owners Manual: Climate control air filter
Filter inspection
If the vehicle is operated in the severely
air-polluted cities or on dusty rough
roads for a long period, it should be
inspected more frequently and replaced
earlier. When you, the owner, replace the
climate control air filter, replace it performing
the following proce ...