2010 Chevy aveo
 

Hey I am new to this site and have a question. I owe a 2010 chevy Aveo with 66000 miles on it. I came in to the chevy service center cause my ac was out. They checked and saw that their was a leak in one of the hoses and replaced it. That was a month ago. A month later, the ac was back out. This time the had to replace the entire ac unit. As I was leaving the center after this latest fix. The car started jerk as I accelerated. With less than a week, I had to bring the car back in. This time they tell me that I have a Crack in my air duct which now needs to be replaced. Now I am not auto savvy when it comes to engines so much question how is this not all connected or do I own the ultimate lemon. FYI, I bought the car two years ago and so far including the ac, I American had to fix the wheel bearing, 4 new tires, brakes, spark plugs, and fuel system. Yes the fuel system.