Kia 2672023650 Hose Assembly-PCV

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The PCV system is a good way of reducing hydrocarbon emissions by scavenging crankcase vapors. It circulates fresh air through the crankcase that comes in from the air intake duct to mix with blow-by gases before being pulled into the intake manifold by means of a PCV valve and vacuum in the manifold. The two main constituents of the PCV system are a pair of hoses and the PCV valve. The fresh air inlet hose begins its travel at the throttle body or air intake duct, then onto this pipe located on top of the valve cover. This combination is then taken up from beneath using an inchmanifold vacuum inch through both pressure release valves (PCV) and crank case ventilation hose (cvh). Whenever manifold vacuum is high and engine idle quality must be maintained, for instance upon engine start-up, or during deceleration, a ball and spring check-valve closes with low flows enough to restrict flow out of the crank-case through any other path than the PCV assembly into Manifold vacuum which may drop as low as 10 inches-of-mercury (in Hg). For four cylinders cars you can disconnect fresh air inlet hose from throttle body or air intake duct or remove it from valve cover. When you want to disconnect it from pcv valve or intake manifold just pull off Crankcase Ventilation Hose. In Sportage V6 models, loosen both ends of fresh air inlet hose and crank case ventilation hose so that they can be removed easily. Remove the PVC valve from front Valve Cover.

The high temperatures under the hood, therefore, demand that rubber and plastic hoses be inspected regularly in the engine, accessory and emission systems to prevent deterioration. Material hardening ,leaks,crracks and looseness of clips should be sought for. Since most hoses are clamped they should always be kept in tension all time so that no leaks can occur .In addition there is need to check hoses without clamps as they may expand or harden thus potentially causing leakage.To avoid destructions by obstructions and damage it needs to be checked for this.Whereas vacuum hoses which usually have various color codes for identification are variable in wall thickness, collapse resistance and temperature resistance among others.Vacuum hoses should be replaced with ones of similar composition. Plastic t-fittings attached with these lines are likely to crack or deform .One only requires a few inches of a vacuum hose which can serve as a stethoscope of sorts by listening for any hissing sounds that accompany a vacuum leak.Vigilance is necessary when handling fuel hoses operating under pressure to determine their condition prior to installation as well as replacement since they are prone to chafing and cracking because of their current state.Spring type fasteners should not be used again on changing the hose but screw fasteners.Discover if metal tubes made from elongated steel pipes are bent broken or folded. If you have to replace them use seamless steel tubing instead .It also adds up that brake fluid will seep through when there is leaking in-between the lines posing great risks.

Metal lines used for fuel and brake systems should be examined for bending, crimping, or cracks.

In Sportage V6 models, the fresh air inlet hose and crankcase ventilation hose can be loosened at both ends and removed. The PCV valve can be unscrewed from the front valve cover.