So I recently purchased a low hour 4450 that has not been used much the last few years. The owner has only been putting on like 40 hours a year on it. It runs great and has tons of power. I have been running and its been going well. Today I tried to upgrade the lights with LED's and had to lift the hood and I noticed some small amount of oil leaking from the turbo housing onto the exhaust manifold. Just curious if anyone has and ideas?