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The mechanic completes the engine oil level. #221992736
Description
Motor oil, engine oil, or engine lubricant is any one of various substances that consist of base oils enhanced with various additives, particularly antiwear additives, detergents, dispersants, and, for multi-grade oils, viscosity index improvers. Motor oil is used for lubrication of internal combustion engines. The main function of motor oil is to reduce friction and wear on moving parts and to clean the engine from sludge one of the functions of dispersants and varnish detergents. It also neutralizes acids that originate from fuel and from oxidation of the lubricant detergents, improves sealing of piston rings, and cools the engine by carrying heat away from moving parts. Dipsticks can also be used to measure the quantity of liquid in an otherwise inaccessible space, by inserting and removing the stick and then checking the extent of it covered by the liquid. The most familiar example is the oil level dipstick found on most internal combustion engines. Auto mechanic are checking vehicle engine oil level to changing car engine oil concepts of maintenance repair service and car insurance.