Piston Ring - Seal The Combustion Chamber While Dissipating Heat
Piston Ring – Seal The Combustion Chamber While Dissipating Heat

Choose Your  Help Topic Below

Piston Rings – Signs Of Worn Piston Rings And How To Replace Them

How Do Engine Piston Rings Actually Work – What Causes Them To Fail

File Fit Piston Rings – How To Properly File Fit Rings For Critical End-Gap

Oil Consumption Past Rings – Worn Engine Bearings Can Make It Worse

Ball Hone – How To Get The Perfect Finish For Piston Ring Sealing

Valves And Piston Rings – Functions – Failure Warning Signs – Testing

Excessive Exhaust Smoke – What Color Is It – What Does The Color Mean

Tailpipe Smoke – What Does The Color Of The Tailpipe Smoke Mean

Burning Oil – Blue Smoke Is Coming Out Of My Exhaust Pipe

Engine Compression – What Can Cause Low Or No Engine Compression

Low Compression Causing Engine Misfires – Is It A Mechanical Malfunction

Cylinder Bore Deglazing – Purpose – Crosshatch – Roughness And Angle

So, A piston ring is a metallic split ring that is; attached to the outer diameter of a piston. Consequently, Rings usually come in a set of; three different rings in a set. As a result, Most of the time you will have two compression rings and one oil ring.

So, The main functions of a piston ring are:

  • To seal the combustion chamber; so that there is minimal loss of gases to the crankcase.
  • Improve heat transfer; from the piston to the cylinder wall.
  • Maintain the proper quantity of the; oil between the piston and the cylinder wall
  • Regulate engine oil consumption; by scraping the oil from the cylinder walls; back into the oil pan.

So, During the compression and power strokes; the compression rings; seal the combustion gases and prevents blow-by. As a result, Blow-by stays at an acceptable limit.

So, Engine oil lubricates the cylinder walls. Consequently, The oil comes from throw off from the connecting rod bearings. Finally, The rings wipe off any excess oil.

Consequently, Leaving a fine layer of oil on the cylinder wall; to provide lubrication for the following ring. Finally, As rings wear the ability to perform these functions is decreased. Finally, resulting in oil consumption and blow-by.

Thank You !