Engine oil sludge is a critical concern for vehicle owners, as it can compromise both the performance and durability of an engine. Recognizing the factors that lead to oil sludge formation, ...

Inside an engine, sludge can accumulate and become a thick, gooey material. It typically consists of accumulated oil, dirt, and debris. Sludge can develop in a machine when the oil is not changed ...

Dear Tom and Ray: Is it safe to add a few capfuls of denatured alcohol to the crankcase of my two older vehicles to remove oil sludge before I change the oil? -- Lorilee RAY: Is it safe? Well, I don't ...