Understanding Car Engine Valves: Structure, Function, and Replacement Signs

A seasoned truck driver in Long Bien, Hanoi, Mr. Ba, always took pride in his beloved truck. He considered it a loyal companion, journeying with him through narrow old town streets and major highways like Truong Chinh and Pham Van Dong. Recently, however, his “friend” started showing signs of trouble: the engine became noisy, the truck felt sluggish, and fuel consumption increased. A checkup revealed the culprit: worn-out engine valves.

Mr. Ba’s experience highlights the crucial role of valves – small but vital components in a truck engine. But what exactly are engine valves? How do they work? Let’s delve into the details with Hanoi Trucks.

Diagram of car engine valves Simplified diagram of car engine valves