Valve Stem Seals: What You Need to Know

What is the purpose of valve stem seals?

A. To keep oil from leaking into the combustion chamber
B. To lubricate the valves before installation
C. Both A and B
D. Neither

Answer:

A. To keep oil from leaking into the combustion chamber

Valve stem seals play a crucial role in an engine's operation by preventing oil from leaking into the combustion chamber. When valve stem seals are properly installed, they help keep the oil where it belongs, ensuring optimal engine performance and efficiency.

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