Renault Koleos 20,000km maintenance cost, Koleos 20,000km maintenance items

RenaultKoleosThe maintenance cost for 20,000 kilometers is about 800YuanAround 20,000 kilometers of Koleos maintenance program includes replacing engine oil, engine filter, air filter element and air conditioning filter element. Koleos needs to be replaced for 20,000 kilometers of maintenance. Engine oil is also called lubricating oil. If the engine is compared to the heart of a car, then engine oil is the blood of the car. Its functions are as follows:

1. Lubrication and anti-friction: When the car is started, there is rapid relative friction between the piston and the cylinder, between the main shaft and the bearing bush, the timing gear, etc. A major function of the engine oil is to pass the friction of the parts, between the two friction An oil film is formed between the surfaces, and the oil film will separate the surfaces of the two friction parts, thereby reducing wear.

2. Cleaning: Another function of engine oil is to bring carbon deposits, sludge, metal wear particles and other dirt on engine parts back to the oil pan through circulating flow to achieve a cleaning effect.

3. Sealing and anti-leakage: Engine oil can also form an oil film between parts with relative motion to improve their sealing and help prevent air or oil leakage.