Is Severe Oil Leakage at the Bottom of the Engine a Serious Issue?

1 Answers
OStephen
07/25/25 3:51am
Whether engine oil leakage is serious depends on the extent of the leakage, as the handling methods differ between minor and severe oil leaks. If the oil leakage is minor or merely caused by engine oil vapor, it generally isn't a significant issue and can be temporarily ignored until the next maintenance session or when time permits for a visit to the 4S shop for resolution. However, if the oil has started dripping, or there are large oil stains or direct oil leakage, this constitutes a severe condition that requires immediate repair to prevent potential engine damage, severe oil loss, or even spontaneous combustion due to excessively high temperatures. There are many sealing gasket components on or around the car engine. These rubber products, working long-term under high-pressure and high-temperature environments, are prone to aging. Once the sealing gaskets age, the engine may experience oil leakage. Rubber components such as the valve cover gasket are particularly susceptible to aging, with the aging of the valve cover gasket being the primary cause of oil leakage in most engines. Engine oil leakage is primarily characterized by the engine oil not decreasing rapidly, yet small amounts of oil stains are visible at the engine's sealing points, with no significant oil stains found on the vehicle's engine guard plate or the ground. Additionally, some vehicles may experience engine oil leakage due to wear and tear of the oil pan or crankshaft front and rear seal gaskets, loosening of the oil pan fastening screws, or issues with the quality of spare parts. Regardless of the cause of the oil leakage, it is not engine knocking and does not pose a major threat to the vehicle's condition. As long as the engine oil level is monitored regularly during subsequent use to ensure it does not undergo significant changes, the situation can be managed effectively.
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