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What are the consequences of completely losing engine oil in a car?

1Answers
AliviaLee
08/31/2025, 04:24:17 AM

It can cause bearing seizure and cylinder scoring, and in severe cases, may lead to crankshaft breakage and engine block damage. Here is some information about engine oil: 1. Introduction: Engine oil, also known as motor oil or engine lubricant, is a substance enhanced with additives in base oil. 2. Composition: It mainly contains anti-wear additives, detergents, dispersants, and multi-grade viscosity index improvers. Engine oil is used for lubricating internal combustion engines. 3. Functions: The primary functions of engine oil are to reduce friction and wear on moving parts, remove sludge (one function of dispersants) and varnish (detergents) from the engine. Engine oil also neutralizes acids produced by fuel combustion and lubricant oxidation (detergents), improves piston ring sealing, and cools the engine by carrying away heat from moving components.

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