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Is Brake Fluid the Same as Engine Oil?

1 Answers

LeAndres

07/25/25 3:36am

Brake fluid is the liquid delivered by the brake lines and is unrelated to engine oil. Below are specific details about brake fluid: 1. Overview: Brake fluid is a liquid medium that transmits braking pressure in hydraulic braking systems, used in vehicles equipped with hydraulic braking systems. Also known as brake oil or pressure fluid, its English name is Brake-Fluid. It is an indispensable part of the braking system, serving as a force-transmitting medium. Since liquids cannot be compressed, the pressure output from the master cylinder is directly transmitted to the wheel cylinders through the brake fluid. 2. Types: Castor Oil-Alcohol Type: Composed of 45%-55% refined castor oil and 55%-45% low-carbon alcohol (ethanol or butanol); Synthetic Type: Made by blending ethers, alcohols, esters, etc., with additives for lubrication, oxidation resistance, rust prevention, and anti-rubber swelling; Mineral Oil Type: Produced by adding thickeners and other additives to refined light diesel fractions.

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