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What are the effects of high oil viscosity?

1 Answers

StAbigail

07/29/25 4:52am

The effects of high oil viscosity include: 1. Difficulty in cold engine starting; 2. Increased friction resistance on the surfaces of various components; 3. Lower rotational speed, making ignition harder; 4. Poor cleaning performance; 5. Poor fluidity, slower circulation speed, and reduced cooling effectiveness; 6. Larger carbon residue particles, higher freezing point, and a tendency to clog oil passages. The functions of engine oil are: 1. Reducing friction and high temperatures; 2. Cooling and lowering temperature; 3. Cleaning and purifying; 4. Shock absorption and cushioning; 5. Rust and corrosion prevention. Engine oil, also known as engine lubricant, consists of: 1. Base oil, which is the main component of lubricating oil, determining its basic properties; 2. Additives, which compensate for and improve the shortcomings of the base oil's performance.

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