Oil can leak from gaskets and seals on the front or rear of an engine, from valve covers or from the oil pan underneath, so there are several possibilities.

Oil leaks are common on engines as they accumulate miles, and oil pans can be one source of leaks or seepage. Gaskets or seals installed where the pan attaches to the engine block may wear out and ...

As you've heard many times, your car's engine is nothing but a big ... you can spray water or motor oil onto a suspected leak and achieve the same end. When the water gets sucked into the leak ...