Radiator Fan Problems: Overheating at Idle, A/C Clues, and Electrical Tests
A radiator fan not working can cause overheating at idle and weak A/C performance. Learn how techs test relays, fuses, wiring, sensors, and fan motors.
23 September 2026
Alexandre Silveira
I was looking for a school that offers intensive classes, because I’m a fast learner. The teachers at ATC are very experienced and have helped me a lot. ATC provided me with the confidence needed to find a new job. If you have a passion for the automotive industry and want a long career as an automotive mechanic, this school is perfect for you.
