What type of engine oil is suitable for the Haval H6 2.0T?
3 Answers
The original engine oil specification for the Great Wall Haval H6 diesel engine is CI-4, with a viscosity of 15W-40. Lubricant brand selection: For lubricant brand selection, if long-lasting performance is required, Mobil lubricants can be chosen; if strong cleaning capability is needed, Shell lubricants can be used; if strong oil film toughness is desired, Castrol is recommended. For turbocharged engines, which are prone to carbon deposits during high-speed operation, Shell fully synthetic oil with strong cleaning performance can be selected. Engine oil specifications: Engine oil specifications include two parts: classification and viscosity. The classification of engine oil is represented by a combination of two letters. The "S" series represents oil for gasoline engines, with general specifications ranging from SA to SP (in alphabetical order, but without SI). Each subsequent letter indicates better performance than the previous one, with more additives to protect the engine; the later the letter, the higher the quality grade. Among international brands, most engine oil grades are above SF level. .
I have a Haval H6 2.0T, which I've been driving for over two years. According to the manual, it's recommended to use 5W-30 full synthetic oil, as this grade is most suitable for turbocharged engines. I use brands like Castrol or Mobil, and I find that cold starts are quicker, noise is reduced, and the engine runs smoothly. Avoid oils that are too thin, such as 0W-20, as they can lead to oil burning; oils that are too thick, like 5W-40, can increase fuel consumption. It's best to change the oil every 8,000 to 10,000 kilometers, and in winter, check the dipstick to ensure the oil level hasn't dropped. Choose oils with API SP grade or ACEA A5/B5 certification to protect the turbo and pistons and extend engine life. As an experienced owner, I advise against using cheap mineral oils, as they can accelerate carbon buildup.
After using the Haval H6 2.0T, I found that 5W-30 full synthetic oil is the most reliable choice. The 2.0T turbo engine operates at high temperatures, and this oil's moderate viscosity ensures stable oil film formation, preventing turbo damage. I consistently use this grade, changing it every 9,000 kilometers or as per the vehicle's maintenance reminder. Recommended brands include Shell or Total, with emphasis on API certification. For frequent highway driving, shorten the oil change interval slightly. Proper oil system maintenance improves fuel efficiency, reduces noise, and prevents major repair costs. Regularly check the dipstick—don't wait for the warning light. Safety first.
