Are Engine Oil and Transmission Fluid the Same?

1 Answers
DelAlexa
07/29/25 8:23pm
Changing engine oil and transmission fluid are not the same. Below are the main differences between engine oil and transmission fluid: 1. Nature: Engine oil is the lubricant for the engine. Transmission fluid is used to keep the gear system clean. 2. Function: Engine oil lubricates and reduces friction in the engine, assists in cooling, seals against leaks, prevents rust and corrosion, and acts as a shock absorber. It is often referred to as the 'blood' of the car. Transmission fluid ensures the proper functioning of the transmission and extends the lifespan of the transmission system. 3. Characteristics: The engine is the heart of the car, containing many metal surfaces that rub against each other at high speeds and under harsh conditions, with operating temperatures reaching 400°C to 600°C. Transmission fluid provides effective lubrication even in low temperatures and reduces fluid loss under severe operating conditions. Depending on the transmission type, transmission fluid is further categorized into automatic transmission fluid (ATF) and manual transmission fluid.
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