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NJ 07946

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PCV Valve: What Is It?

Posted November 17, 2019 8:36 AM

Most Millington drivers know something about preventive maintenance on a vehicle. We know we should routinely replace the oil and wiper blades and other fluids. But have you heard of a PCV valve ? This little car part needs to be replaced regularly or it can cause some serious problems in your vehicle engine.

PCV stands for Positive Crankcase Ventilation. The crankcase holds your motor oil and is located at the bottom of your engine.

When fuel is burned in your engine, it produces waste gases that are mostly vented out through your exhaust system. But some of these gases push their way past the pistons and into the crankcase. There, these gases can mix with motor oil to produce oil sludge, which can damage vehicle engine parts through corrosion and by clogging engine passages. Millington vehicle owners should be advised that if the engine is running at high speeds, these gases can also cause pressure inside the crankcase to build up. This pressure, in turn, can blow gaskets and damage seals, leading to oil leaks.

The waste gases that leave the engine are comprised of about 70% unburned fuel. They used to be vented off the crankcase into the atmosphere. But starting in 1964, laws mandated that these gases be recaptured. Manufacturers began installing PCV systems, which recycled the gases into the air intake system where they could be mixed with fuel and sent to the engine to be burned.

The PCV valve is a one-way valve attached to the crankcase. Waste gases exit the crankcase through the valve but cannot enter.

Over time, the waste gases leave deposits on the PCV valve that can gum it up. So it needs to be replaced occasionally. This is an inexpensive part of preventive maintenance that is often overlooked, but which can have very expensive consequences. It's good auto advice to keep this little valve clean and working well.

In order to maintain efficient circulation, the PCV system also has a breather tube that allows clean air to enter the crankcase. This air is usually filtered through the engine air filter. But some vehicles have a separate air filter for the breather tube called the breather element. If this is the case with your vehicle, proper maintenance of the PCV will include replacing this element. To find out whether your vehicle has this type of PCV system, check your owner's manual or ask your service advisor at Long Hill Auto Service.

The PCV system reduces harmful vehicle emissions. The maintenance it requires is simple and inexpensive at Long Hill Auto Service. A fouled or damaged PCV system can lead to serious engine damage for Millington drivers.

Let's all learn to practice good car care. It's good for our wallets, and it's good for our NJ environment.

Long Hill Auto Service
1905 Long Hill Rd
Millington, NJ 07946
(908) 647-7984
http://www.longhillautonj.com



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A few weeks back my wife was driving from PA to NYC by herself and started to have some car trouble. She called me from route 78 and I advised her to get off at the next exit and head to the closest repair shop. Thankfully it was Longhill Auto. At the end of their business day they got right on checking the car out, and were gracious with my wife who was having a very stressful experience. They were in touch with me every step of the way. Ultimately performed the necessary repairs and thoroughly test drove the car to give us peace of mind it was in good shape before making the hour plus drive out to pick it up. Would definitely recommend them and even going out of your way to work with them as it isn’t always easy to find a good shop with great people.

, 03/13/2024

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, 02/16/2024

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Long Hill Auto is the best auto service shop in the area, hands down. The staff is well trained and highly knowledgeable. Their facility is well organized and cared for, which shows how important it is for them to pay attention to details. Bob runs a great shop that can handle all of your automobile needs. They are friendly, affordable, and have a fast turnaround on their jobs. I don't think it can get much better than that.

, 01/25/2024

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