AutoNation Chevrolet Mesa

I purchase a 2000 Lincoln TC from Auto Nation at Superstition Springs in Mesa, Az in September 2015. It showed to have less than 75,000 miles. When the car was put on the rack I noticed that the engine had been steam cleaned. I asked hoe long ago and the answer was they didn't know. Since I have had the car (less than 4 mths) I have had both U joints go out, the ac compressor go out and the valve cover gaskets replaced. The car was idling a bit rough so I replace the spark plugs. Doing this I found the plug wells full of oil. From all the problems I have found with this car, I would say it definitely had more than 75,000 miles on it at purchase. I also see why they steam cleaned the engine. I took the car back for oil change and was told the air filter (less than one month old and still clean) should be replaced. Also told that the brake fluid was dirty and should be flushed as well as the power steering fluid. I checked both fluids and found them to be in very good condition. I have owned several Lincolns and am quite certain I will never do business with these people again.