What Is a Piston Ring?

Answer A piston ring is a circular band located on the exterior of a piston in an engine that aids in heat transfer, seals the engine combustion chamber and normalizes an engine's consumption of oil. Pist... Read More »

Top Q&A For: What Is a Piston Ring

What Is the Purpose of a Piston Ring?

A piston lies inside a hollowed-out area called a cylinder. The crown of a piston faces an enclosed compression chamber where gasoline ignites and forces the piston downward. A series of grooves li... Read More »

What If a Piston Ring Is Upside Down?

A car engine houses a hot and violent interior, with pistons moving extremely fast up and down to power the vehicle down the road. The rings that surround the pistons have the most difficult job of... Read More »

What Are Signs of a Blown Piston Ring?

Piston rings are responsible for keeping the hot gases from your engine's combustion inside the cylinder and for keeping oil from the crank-case from seeping into the cylinder.SmokingThe primary si... Read More »

What Causes Piston Ring Scuffing?

A piston ring is a metal ring that fits around one end of an engine piston. The ring seals the engine cylinder, or combustion chamber, allowing the piston to capture all the power of the combustion... Read More »