Kia 267402G000 PCV Valve

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The Positive Crankcase Ventilation (PCV) system reduces hydrocarbon emissions by directing blow-by gases and crankcase vapors into the intake manifold, where they're mixed with intake air before being drawn into the combustion chambers, where they're consumed along with the air/fuel mixture. This is achieved by circulating fresh air from the air filter housing through a series of hoses into the crankcase, where the fresh air mixes with blow-by gases before being drawn from the crankcase by intake vacuum, through the PCV valve then into the intake manifold. During idle and part-throttle conditions, intake manifold vacuum is high. Blow-by gases and crankcase vapors flow from the crankcase through the PCV valve and the crankcase ventilation hose into the intake manifold. The strong intake manifold vacuum also pulls fresh air from the air intake duct or the air filter housing through the fresh air inlet hose into the crankcase. There is no scheduled maintenance interval for the PCV valve or the PCV system hoses, but over time the PCV system might become less efficient as an oily residue of sludge builds up inside the PCV valve and the hoses. One symptom of a clogged PCV system is leaking engine seals. When crankcase vapors can't escape, pressure builds inside the bottom end and eventually causes engine seals to leak. Anytime that you're changing the oil filter, air filter, fuel filter, spark plugs, etc. It's a good idea to pull off the PCV hoses and inspect them. If the hoses are clogged, remove them and clean them out. If they're cracked, torn or deteriorated, replace them. Checking and replacement of the PCV valve are covered. It is mounted to the valve cover on all models.

The PCV valve and hose are located at the back of the left valve cover on 2006 and earlier 3.5L V6 engines; to reach it, one needs to take off the upper intake manifold. For 2007 through 2009 3.3L and 3.8L engines, this is found under the upper intake manifold in the front section of the engine. On four-cylinder engines, it's at right front angle of the valves covering. For 2011 and later models, specifically those with a 3.5 liter V-6, are different because their PCV is on top of rear end valve cover from whence other parts can be obtained.Separate hose tube by unscrewing it from PCV valve itself.Inside that entrance,you will come across a plunger which lies crucially inside.Some times by pressing on toothpick and feeling for plunger movement as well as slight spring back you can determine whether your pcv valve is okay or damaged in case no further action was taken.It may be serviced with carb cleaner to free up its sticking plunger.Carburetor cleaning fluid may also help unstick its plunger without disassembling it.When purchasing a replacement PCV valve, make sure it's for your particular vehicle and engine size.The old one should match with its newer version.Installation is opposite to removal.

When purchasing a replacement, ensure it is suitable for your specific vehicle and engine size, and compare the old valve with the new one to confirm they are the same.

Remove the hose clamp and disconnect the PCV hose from the valve.

The main components of the PCV system are the PCV valve and a pair of hoses.

The PCV valve is typically located in the valve cover.