No matter how tightly within the prescribed specifications an engine's piston clearance and ring tension are in its cylinders, a certain amount of fuel and combustion vapor slips past and enters the ...

The Chevrolet small-block engine was a brilliant piece of engineering, attested by the fact that well over 100,000,000 were built. However the first generation was not as oil-tight as later ...

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 ...

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

Car engines require a lot of parts working in unison to properly function. There are thousands of explosions happening every minute when your car's engine is running, hence the name "internal ...

As a car owner, you may wonder what a PCV valve is, considering it is a part of your car engine you are not aware of. Your car’s engine is the lifeline of your car and has to be in its best shape ...

Ever find yourself sitting at a red light when you feel a minor dip in RPM or a suspected misfire, and you think: “This is it. I am ready for my engine to explode.” The many stages of grief pass ...

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 ...