What kind of engine oil should be used for the Great Wall Fengjun 5 diesel version?
2 Answers
Great Wall Fengjun 5 diesel version can use C35W-30 engine oil. Here is some introduction about engine oil: 1. Engine oil: also known as engine lubricant, it can lubricate and reduce wear, assist in cooling, seal and prevent leakage, prevent rust and corrosion, and cushion shocks for the engine. 2. Composition of engine oil: the base oil of engine oil currently in use is composed of hydrocarbons, poly-alpha-olefins (PAO), and poly-internal-olefins (PIO), all of which are organic compounds made up of carbon and hydrogen. 3. Engine oil viscosity standard: SAE (Society of Automotive Engineers) viscosity classification is used to distinguish the different temperature ranges suitable for lubricating oils.
After driving the Great Wall Wingle 5 diesel version for so many years, I've always insisted on using CI-4 grade oil. This turbocharged engine is particularly picky about oil. In northern winters, I use 5W-40 full synthetic oil - it starts perfectly even at -20°C. In summer, switching to 15W-40 mineral oil is sufficient. Never cheap out by buying universal gasoline/diesel oil - diesel engines produce more carbon deposits and require dedicated oil to withstand high-pressure environments. Last year I tried Kunlun K-series CH-4 oil and completed a 10,000 km oil change cycle without issues - the engine ran noticeably smoother after the change. Remember to always replace the oil filter simultaneously during oil changes, otherwise metal particles in the old filter will contaminate the new oil. If you frequently haul loads over long distances, I recommend using CK-4 full synthetic oil for better protection.
