What is the Oil Circuit of the Lubrication System?
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Lubrication system oil circuit refers to a series of oil supply, oil discharge, and their auxiliary devices that deliver lubricant to lubrication points. Explanation of the lubrication system: The so-called lubrication system refers to the collective term for a series of oil supply, oil discharge, and their auxiliary devices that deliver lubricant to lubrication points. The lubrication system can be divided into five types: circulating lubrication system, centralized lubrication system, spray lubrication system, oil immersion and splash lubrication system, and total loss lubrication system for oil and grease. Composition and oil circuit of the lubrication system: The automotive lubrication system mainly consists of the oil pan, oil strainer (suction disk), suction pipe, oil pump, pressure relief valve, safety valve, oil filter, main oil gallery (engine block oil passage), oil pressure gauge, branch oil passage, oil cooler, etc.
The oil circuit of the lubrication system, simply put, is the path through which engine oil flows in a car engine. The oil starts from the oil pan at the bottom, is pumped up by the oil pump, and first passes through the oil filter to remove dust and impurities, ensuring the oil is clean. It is then transported through dedicated internal engine pipelines to critical friction areas, such as crankshaft bearings, camshafts, and pistons. Here, the oil lubricates moving parts, reducing friction to prevent overheating and wear, before flowing back to the oil pan for recirculation. If the oil circuit is blocked or the filter becomes dirty, impeding oil flow, it can lead to engine overheating, increased noise, or even engine failure. With over 20 years of driving experience, I've seen many car owners neglect regular oil changes and oil circuit checks, resulting in costly major repairs. Modern car oil circuits are more intelligently designed, integrating electronic controls to optimize lubrication efficiency, which helps save fuel and extend engine life. For daily maintenance, remember to check the oil condition every 5,000 kilometers to prevent issues.
