Can a loose valve cover cause an oil leak?
Can a loose valve cover cause an oil leak? In other cases the valve cover can work itself loose which also can cause the aforementioned leak. Sometimes you can tighten them down but if the cover is already tight then the valve cover gasket must be replaced. Brittle valve cover gaskets are a common problem because they are at the upmost part of the engine. What causes oil to leak out of the transmission? When this seal leaks, it will allow motor oil to leak into the transmission bell housing and down the oil pan at the rear of the...