How to Solve the Problem of Engine Oil Entering the Radiator?
2 Answers
Engine oil entering the radiator can be resolved by: replacing the new cylinder gasket, draining the water from the radiator, and thoroughly cleaning the radiator. Engine oil, motor oil, or engine lubricant is a substance enhanced with additives in base oil, primarily containing anti-wear additives, detergents, dispersants, and multi-grade oil viscosity index improvers. The main function of engine oil is to reduce friction and wear on moving parts, and to remove sludge (one of the functions of dispersants) and varnish (detergents) from the engine. The car radiator, also known as the heat exchanger, is a key component in the car's cooling system. Its function is to dissipate heat; the coolant absorbs heat in the water jacket, flows to the radiator to dissipate the heat, and then returns to the water jacket for circulation, achieving temperature regulation.
As someone who has spent years working in repair shops, I've seen quite a few cases of engine oil mixing with the coolant. This usually happens due to a failed seal caused by a cracked or aged cylinder head gasket, allowing oil and coolant passages to mix inside the engine. When this occurs, you must never continue driving the vehicle - the contaminated fluid can clog the radiator and water pump, leading to engine overheating damage and even creating fire hazards. First, stop the engine and check the coolant. If you see oil floating on the surface, immediately call for a tow truck to take it to a professional repair shop. The repair process typically involves pressure testing to locate the leak point, replacing the gasket, and in severe cases, repairing cracks in the cylinder block. After completion, thoroughly flush the cooling system and refill with fresh coolant and engine oil to prevent residual contamination from affecting the new coolant's performance. Remember to regularly check cylinder head bolt tightness and gasket condition during routine maintenance - this significantly reduces the chances of such problems occurring, saving you from last-minute panic and unnecessary expenses.
