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Can You Drive Without Engine Oil?

2 Answers

VanVivian

09/03/25 5:48am

You cannot continue driving without engine oil. Engine oil plays a crucial role in lubricating and cooling the engine. If you force the vehicle to run without oil, the lack of lubrication will cause engine components to rub against each other, leading to damage. Additionally, without the cooling effect, the engine may suffer from burned crankshafts or bearing shells during high-speed operation. Engine oil serves the following primary functions: 1. Lubrication: The main role of engine oil is to properly lubricate engine components such as pistons, bearings, and other moving parts. 2. Sealing: During the "power" stroke, engine oil prevents high-temperature and high-pressure gases in the combustion chamber from leaking into the crankcase through the gap between the piston and cylinder. 3. Heat Dissipation: When the engine operates at high speeds, friction between moving parts generates significant heat. This heat is absorbed by the oil flowing through the gaps and carried to the oil pan or oil cooler, where it is dissipated into the air. 4. Rust Prevention: Engine oil protects metal components from corrosion. 5. Cleaning: It filters out impurities and metal wear particles generated during engine operation through the oil filter, maintaining the cleanliness of the lubrication system.

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EvelynLynn

09/15/25 7:14am

Once on a business trip, I noticed the oil warning light came on but stubbornly drove another 30 kilometers, which ultimately led to complete engine failure. Engine oil is essentially the lifeblood of an engine - once depleted, metal components grind against each other dry, causing cylinder scoring within minutes. When the repair shop disassembled my engine last time, the pistons were completely seized. The repair costs ended up exceeding the value of a used car. My advice: pull over immediately if you spot an oil leak. Towing fees are just a few hundred bucks, far more economical than replacing an entire engine. Developing a habit of regular oil checks is the smartest practice, especially for older vehicles that are more prone to leaks.

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