What grade of engine oil is suitable for Changan CS55?

1 Answers
MatteoLee
07/24/25 10:31pm
Changan CS55 can use Shell HX7 5w-40 synthetic engine oil, with an oil filling quantity of about 4L. Engine oil, also known as engine lubricant, serves multiple functions such as lubrication and wear reduction, auxiliary cooling, sealing and leak prevention, rust and corrosion protection, and shock absorption. It is often referred to as the "blood" of a car. Here are some considerations when selecting engine oil: 1. Choose engine oil based on the requirements of the engine. It is unnecessary to use overly advanced oil in engines with lower requirements, nor should lower-grade oil be used in engines with higher requirements. 2. Multi-grade oil is recommended due to its cost-effectiveness, long service life, and high efficiency, providing better protection for the engine. Due to the characteristics of multi-grade oil, it may appear darker earlier and have lower oil pressure compared to conventional oil, both of which are normal phenomena.
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