Posted on 2/27/2026
Oil leaks are a concern for any vehicle owner, but they’re especially common, and sometimes more complicated, in diesel vehicles. Diesel engines are built differently from gasoline engines. They operate under higher compression, generate more heat, and often contain more oil to keep internal components properly lubricated. While this makes them durable and long-lasting, it also creates more opportunities for oil leaks to develop over time. If you’ve noticed oil spots under your diesel truck or SUV, or you’re constantly topping off oil between changes, understanding the most common causes can help you take action before the problem worsens. Why Oil Leaks Are Common in Diesel Engines Diesel engines are designed for heavy-duty use, whether that’s towing, hauling, or long-distance driving. Because of this, seals, gaskets, and hoses are under constant stress. As mileage adds up, these components naturally wea ... read more