How to Repair Automotive Air-Conditioning & Heating Systems

Stop Guessing at A/C Problems. Learn to Diagnose and Repair Them!

Get expert guidance to keep your vehicle’s heating and air-conditioning systems working the way they should.

When your car's A/C stops blowing cold or the heater fails to keep you warm, guessing at the problem can lead to wasted time, unnecessary parts, and expensive repair bills. The solution starts with understanding how the system works--and knowing how to diagnose it correctly.

Written by automotive HVAC expert and technical instructor Jerry Clemons, this comprehensive guide takes the mystery out of automotive heating and air conditioning. Instead of relying on scattered tips and trial-and-error repairs, you'll learn the principles, diagnostic procedures, and repair techniques needed to understand your vehicle's climate-control system.

Inside, you''ll discover how to:

• Diagnose problems with confidence. Understand how heating and A/C systems operate and learn testing procedures to help pinpoint common problems.
• Understand the components that matter. Explore compressors, condensers, evaporators, heater cores, pressure switches, climate-control electrics, and more.
• Service A/C systems properly. Learn about system repair, evacuation, refrigerant recovery and disposal, and recharging.
• Work with older A/C systems. Understand the considerations involved in converting R-12 systems to R134a.
• Make smarter repair decisions. Build the knowledge to better understand system failures, evaluate repairs, and take a more informed approach to maintaining your vehicle.

Written by an expert. Designed for enthusiasts who want to understand the why behind the repair.

Whether you're restoring a classic car, maintaining a daily driver, or determined to do more of your own automotive work, Jerry Clemons provides the practical instruction to help you tackle automotive HVAC with greater confidence.

Don't just replace parts and hope for the best. Learn how the system works, how to find the problem, and what it takes to fix it right.

Jerry Clemons holds an AAS in Automotive Technology from Southern Illinois University as well as a BS in Technical Education from Western Kentucky University. Jerry also earned a MS degree in Safety, Security, and Emergency Management from Eastern Kentucky University. Jerry has been employed at Elizabethtown Community and Technical College since 1999, where he is a professor and program coordinator for the Automotive and Diesel Technology programs. He is certified by ASE as master automotive technician as well as a master truck technician. Jerry is also an active member or the Mobile Air Conditioning Society (MACS) as well as the North American Council of Automotive Teachers (NACAT).