Posts Tagged: positive crankcase venilation system PCV

PCV Positive Crankcase Ventilation

What is a positive crankcase ventilation system— PCV Combustion occurs in an engine when the piston compresses an air/fuel mixture and ignites it with a spark. To compress the air/fuel mixture, the piston rings seal against the cylinder wall as the piston rises to compress the mixture. Think of this like a doctor’s syringe where the plunger has a rubber piston with rings around the end. What’s different about an engine piston is that each of the three rings has a gap. During installation, a special tool fits into the … Read More