The PCV valve is a critical component of modern cars. However, it can cause numerous issues if it goes bad. Here's how a ...

Question: I recently bought a 1981 Monte Carlo with 43,000 original miles on it. The car was driven very little for short distances, when driven at all (a “grandma” car). Overall, it runs great. The ...

Clogged crankcase ventilation systems often are overlooked causes of engine oil leaks. Savvy service personnel keep these systems at the top of their mental checklists for solving oil leaks. I'll ...

Every engine has some sort of crankcase breathing system. The internal combustion process creates pressure, some of which makes its way past the piston rings-along with fuel vapors-and into the rest ...

The PCV (Positive Crankcase Ventilation) system is designed to regulate and remove fumes from the engine crankcase, and to alleviate crankcase pressure which could cause oil leaks or seal damage. The ...

Every engine, regardless of its condition, has a certain amount of blow-by or air/fuel mixture that slips past the pistons and rings and finds its way into the crankcase. In addition, during normal ...

Q I have a 1998 Nissan Sentra with a 1.6-liter engine. It does not leak or use any oil except at highway speeds when it uses up to a quart of oil on a 300-mile trip. I replaced the PCV valve and it ...

As previously reported by GM Authority in April 2022, a class action lawsuit was filed against The General over issues with the 2.4L Ecotec I4 gasoline engine. While this lawsuit is still active, a ...

Late model Hemi engines offer many advances in technology, and we think this power plant is likely the best performance engine ever designed by the Chrysler Corporation. With a great blend of power, ...