Additionally, engine oil would drip from the road-draft tube ... you can prevent damage and extend your vehicles life. Replacing a PCV valve on most engines is a simple task that can be performed ...

In turn, the reliability of Cummins 12-valve builds has become the stuff of diesel engine legend. Read more: 15 Popular Oil Filter Brands, Ranked Innovation aside, the turbo-charged 12-valve ...

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 ...