How to Solve the Oil Burning Issue in Tiguan?
1 Answers
The solution to the oil burning issue in Tiguan: Timely maintenance should be conducted to prevent engine damage. The reasons for oil burning in Tiguan include the following: 1. Aging of valve oil seals. 2. Severe wear of piston rings, leading to excessive clearance between the piston and the cylinder wall. 3. Loose valve guides. These factors cause engine oil to enter the cylinder and participate in combustion. Below is a detailed introduction to the importance of lubricating oil for the engine: 1. The general requirements for an engine are small size, lightweight, compact structure, and high output power, which means its unit friction surface bears a significant load. 2. In addition to frictional heat, the engine is also affected by combustion heat, resulting in high temperatures on the friction surfaces, which reduces the viscosity of the lubricating oil and makes it difficult to form an oil film. 3. High-temperature and high-pressure combustion gases in the combustion chamber can leak into the crankcase through the gaps between the piston, piston rings, and cylinder liner. These combustion gases are the result of complete and incomplete combustion of fuel and a small amount of lubricating oil, producing gases and certain particulate matter (soot), which typically become the main components of crankcase blow-by. They can contaminate the lubricating oil and, under certain conditions, accelerate its oxidation.
