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2026. 6. 30. 작업

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What are all the different types of fluid in a car and a short summary of their use?

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Depending on the car model and the technology used, not all fluids I mention here do exist. Here is list of all that I know of: fuel (some cars use two typed of fuel, e.g., petrol and gas, so they have two fuel tanks) engine oil two-stroke oil (in some systems the oil is separated and only combined in the injection) gear oil Automatic Transmission fluid (sometimes this is identical to gear oil, sometimes it is not.) Transmission fluid in the torque converter hydraulic fluid in hydraulic clutches Retarder oil (usually only found in trucks, might use the same oil as the gear box) engine coolant coolant of the air-conditioning system brake fluid (for trucks this is pressurized air) diesel exhaust fluid hydraulic power steering liquid (usually some type of oil) hydraulic oil (or various gases like nitrogen) in the dampers windshield washer fluid water for water injection (water is sprayed into incoming air to achieve cooling. This feature is rare, but is/was available in road-legal product