 When your car's acting crazy, your destination's clear. The top auto shop for total car care. You hear a pop, a squeak, a grind or a screech. Better check your engine light before you overheat. Hey, this is Caitlin for my Tulsa Amco family. Summer heat got here in a hurry, which is why you don't want to make the mistake of hitting the open road without having your AC system checked.