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The most common source of ethylene glycol is automotive antifreeze or radiator coolant, where concentrations are high. [9] Other sources of ethylene glycol include windshield deicing agents, brake fluid, motor oil, developing solutions for hobby photographers, wood stains, solvents, and paints. [9]
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Oil cooling is the use of engine oil as a coolant, typically to remove surplus heat from an internal combustion engine. The hot engine transfers heat to the oil which then usually passes through a heat-exchanger, typically a type of radiator known as an oil cooler. The cooled oil flows back into the hot object to cool it continuously.
Therefore it is not possible to conclusively determine the head gasket condition by inspecting the oil. Coolant leakage. If coolant enters a cylinder, the burning of the air/fuel mixture is compromised, reducing the engine's performance and often causing steam (white smoke) to be visible from the exhaust. [4]
The viscosity of oil can be ten times greater than water, increasing the energy required to pump oil for cooling, and reducing the net power output of the engine. Comparing air and water, air has vastly lower heat capacity per gram and per volume (4000) and less than a tenth the conductivity, but also much lower viscosity (about 200 times lower ...
Oil sludge or black sludge is a gel-like or semi-solid deposit inside an internal combustion engine, that can create a catastrophic buildup. It is often the result of contaminated engine oil and occurs when moisture and/or high heat is introduced to engine oil.
Engine seals will leak a small amount of oil as a function of the seal design. This is known as the permissible oil leak rate. [ 11 ] If a bearing seal fails and begins to leak, depending on the location of the seal, a higher amount of engine oil may be released into the compressed air stream.
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