About the piece:
Valve Stem Seals are an essential part of the valve system of Mazda engines. They prevent oil from leaking into the combustion chambers through the valve stems.
Its function:
- Prevent engine oil from leaking into the combustion chambers.
- Maintain proper oil pressure within the valve system.
- Ensure efficient combustion by reducing unwanted oil ingress.
Symptoms of damage:
- Increased engine oil consumption due to oil leakage through the valves.
- Blue smoke coming from the exhaust when starting the car or while driving.
- Carbon buildup on spark plugs from burning oil.