Let a Kennedy Specialist Take Care of Your PCV Valveĭon’t let this tiny engine part cause you a huge headache. Save yourself time and frustration and contact Kennedy Transmission to get help from the experts. Rough idling due to a damaged PCV valve, unfortunately, is often misdiagnosed as more expensive issues. If it doesn’t make noise, it’s possible that gas deposits have gummed up and sealed it close.Īdditionally, if your vehicle is idling roughly, your PCV valve could be to blame. If you shake your PCV valve and hear the metallic rattling noise of it opening and closing, it is likely working well. You can typically find it attached on a valve cover at the end of a hose or tube in your engine. To check your PCV valve’s health directly, you have to remove it from the engine and shake it. Whistling noises coming from the engine.Be sure to look out for symptoms of a damaged PCV valve, including: Over time, however, the gases flowing through your PCV valve leave traces of oil that can clog it up. As long as it is functioning properly, you don’t need to replace it. Unlike changing your battery or oil, there is no set time frame to replace your PCV valve. Additionally, a properly cared-for PCV valve can give your engine a little more power by helping the crankcase and piston rings improve your chamber’s compression. This prevents the crankcase from developing engine-damaging oil sludge. While gases can exit the crankcase through the PCV valve, they cannot return into it. What Does a PCV Valve Do?Įssentially, a PCV valve controls emissions - it takes the gases produced by the crankcase and routes them back into your engine’s combustion chambers to be safely burned without harming your vehicle or the environment. In order to prevent oil sludge from clogging up vehicles’ engines and to protect the environment from toxic gases, the PCV valve was created. Additionally, the gases that exit through the exhaust system damage the environment by polluting the atmosphere. This can lead to the gases mixing with motor oil to create corrosive, engine-clogging sludge. Sometimes, however, these gases sneak in between your engine’s pistons and into the crankcase. Before emission control devices, exhaust systems traditionally released the crankcase’s gases from the vehicle.
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It produces gases when your engine burns fuel. Your vehicle’s crankcase holds your motor oil, and is located at the bottom of your engine. “PCV” stands for “positive crankcase ventilation.” It is a one-way valve attached to the crankcase. We provide a wide range of automotive services to keep your vehicle running smoothly.
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Whether you’ve never heard a PCV valve or aren’t sure how to take care of it, head to Kennedy Transmission. While you may be familiar with pistons and gaskets, there’s one more part in your engine that you should be familiar with: your PCV valve. Neglecting to fix a single worn out or damaged part could lead to bigger, more expensive repairs. Every part of your engine is important to your vehicle’s health in some way.