What kind of engine oil should be used for the turbocharged Changan CS55?

1 Answers
VonJosiah
07/25/25 8:14am
Changan CS55 turbocharged models use 5w40 fully synthetic engine oil. Engine oil, motor oil, or engine lubricant is a substance enhanced with additives in base oil, mainly containing anti-wear additives, detergents, dispersants, and multi-grade viscosity index improvers. The primary functions of engine oil are to reduce friction and wear on moving parts, and to remove sludge (one of the functions of dispersants) and varnish (function of detergents) from the engine. Taking the Changan CS55 2019 1.5T Manual Xuanmu National VI model as an example: the manufacturer of this car is Changan Automobile, classified as a compact SUV, with gasoline as the energy type.
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