Your Subaru’s positive crankcase ventilation (PCV) system recycles gases through the positive crankcase ventilation valve. The valve helps send gases to the intake manifold and control their flow. A high manifold vacuum causes your PCV valve to close so fewer crankcase gases enter the system.

The crankcase valve also keeps positive intake pressure away from the crankcase. The PCV valve will close if your intake has positive pressure. This function prevents the pressure from reaching the crankcase as it can damage the seals and gaskets.

The PCV control valve can accumulate deposits over time from the waste gases that pass through it. These sediments clog up the valve, leading to various issues. A permanently closed PCV valve can lead to higher internal engine pressure, oil seal or gasket failure, and engine oil leaks.

A stuck open PCV valve can cause engine misfires, leaner air-fuel mixtures, a rough engine idle, and a hard engine start. Your car will consume more oil and produce black smoke due to the open PCV valve. Have your PCV valves checked and replaced regularly to prevent the problems mentioned from occurring.

SubaruOnlineParts offers genuine PCV valve replacement kits (X1181AA000) online. These kits include a steel valve and hose and are compatible with select Subaru models. These Subaru PCV valve repair kits are 100% genuine, easy to install, and sold at discounted prices. We do not sell used or aftermarket products. Visit the SubaruOnlineParts website today to find amazing deals on these valve repair kits and more for your Subaru.

Your Subaru’s positive crankcase ventilation (PCV) system recycles gases through the positive crankcase ventilation valve. The valve helps send gases to the intake manifold and control their flow. A high manifold vacuum causes your PCV valve to close so fewer crankcase gases enter the system.

The crankcase valve also keeps positive intake pressure away from the crankcase. The PCV valve will close if your intake has positive pressure. This function prevents the pressure from reaching the crankcase as it can damage the seals and gaskets.

The PCV control valve can accumulate deposits over time from the waste gases that pass through it. These sediments clog up the valve, leading to various issues. A permanently closed PCV valve can lead to higher internal engine pressure, oil seal or gasket failure, and engine oil leaks.

A stuck open PCV valve can cause engine misfires, leaner air-fuel mixtures, a rough engine idle, and a hard engine start. Your car will consume more oil and produce black smoke due to the open PCV valve. Have your PCV valves checked and replaced regularly to prevent the problems mentioned from occurring.

SubaruOnlineParts offers genuine PCV valve replacement kits (X1181AA000) online. These kits include a steel valve and hose and are compatible with select Subaru models. These Subaru PCV valve repair kits are 100% genuine, easy to install, and sold at discounted prices. We do not sell used or aftermarket products. Visit the SubaruOnlineParts website today to find amazing deals on these valve repair kits and more for your Subaru.