Coolant reservoir smells and looks like oil inside, but the oil looks clean. Car has yet to overheat and no visible leaks on the ground. Only place coolant has leaked is through the cap which I replaced but still at some points still leaks through there. Any ideas what the problem could be?
My car has 100000 miles.
My car has an automatic transmission.
Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing