For the past five years, we have had an oil leak above the oil pan on the engine block. I not sure if it is worth fixing or keep the oil level up weekly. I use about 1 qt per week or less. The oil stick is clean, very clean and I told that the engine is still good. I also told once you open a engine expect more troubles down the road and don't open it. Is there caulking or something that I can put around the outside of the engine to stop the leak or put inside the oil to stop it from the inside?
Oil Leak above Oil Pan on 1994 Cadillac Eldorado
by msm505 in Albuquerque, NM on November 24, 2009
ANSWER by Bret Bodas on November 24, 2009
There is not anything reliable that you can do, other than replacing the leaking gasket. The most effective way to find a leak like this is to add a special fluorescent dye to the oil, drive it for probably 10 minutes in this case, then use a black light to see where the traces of dye are exiting the engine. This avoids having to clean all the residual oil, and since this has been going on for 5 years, this thing has got to be a mess under there. And "opening an engine" for repairs will only invite more problems if the person performing the job does it poorly.