Although some maintenance schedules include an interval for replacing the positive crankcase ventilation, or PCV, valve, others may not. In the latter case, a general recommendation is to replace ...

The full term we're discussing here is the Positive Crankcase Ventilation valve. This is a small component found between the ...

Why do my valve covers persistently display oil ... Crankcase pressure ("My engine leaks oil") The job of the Positive Crankcase Ventilation (PCV) system is to remove blow-by gases from the ...

The PCV valve (positive crankcase ventilation valve) is a vital part of the emissions controlsystem on most vehicles. Not every vehicle has a PCV valve, but most do. If yours has one, and if your ...

One of the most common components in an engine’s emissions control system is the positive crankcase ventilation valve, or PCV valve. Its job is to allow the air and fuel vapor that gets past ...

The first thing we need is a reliable check valve in between the intake manifold and crankcase vent lines. We don't want our powerful compressor both working against the intake manifold and ...

The positive crankcase ventilation valve releases exhaust gas and unburned fuel from the engine block into the intake manifold. All engines allow some exhaust gases, unburned fuel and oil to ...

Without proper ventilation, seals can burst and oil ... The specially designed one-way PCV valve allows crankcase evacuation to occur, although how well it works at wide-open throttle is arguably ...

In Positive Crankcase Ventilation, air is first passed into air filter, then tube, and finally the closed oil filler cap. Crankcase vapours and gases are sucked back to PCV valve by intake ...

This article explains what a “PCV” valve is, when to replace it and how to maintain it. “PCV” stands for “positive crankcase ventilation.” A PCV valve is integral to the positive crankcase ventilation ...