Automotive Air Conditioning Fundamentals and Maintenance

Every vehicle owner and aspiring mechanic needs to understand how automotive climate control works, yet modern AC systems can seem complex and intimidating. This course demystifies the entire system, breaking down how air conditioning keeps passengers cool and comfortable. You will transition from having no prior knowledge of automotive climate control to confidently understanding its components, troubleshooting common pressure issues, and knowing how to safely handle modern refrigerants. What you'll learn: Understand the fundamental thermodynamic cycle of automotive cooling systems; Identify key components including compressors, condensers, evaporators, and expansion valves; Diagnose common system faults using pressure gauges and modern OBD2 scan tools; Learn the safety protocols for handling legacy and modern eco-friendly refrigerants; Master leak detection techniques using UV dyes and electronic sniffers; Practice troubleshooting electrical climate control sensors and blower motor circuits. This text-only course begins with core principles of heat transfer and refrigeration chemistry before guiding you through step-by-step diagnostic workflows and electrical troubleshooting guides. Designed specifically for beginners, DIY enthusiasts, and entry-level mechanics, this course requires no prior automotive experience. Start reading today to unlock the skills needed to keep vehicle AC systems running efficiently.