This started a couple weeks ago and the temp gauge fluctuates wildly sometimes going all the way to Hot, but then quickly going back to normal operating temp. I've tried to detect a pattern and I've yet to find one. Today was the first time I got the message about the A/C turning off because it...

My son's 2014 Malibu had damage that we didn't know about from the previous owner. The radiator was bent in, and recently, the fluid leaked out while he was driving, and it overheated and shut down. He put fluid in it, which runs back out, but the car runs very rough for the short timethat the...