Today's Technician: Automotive Heating and Air Conditioning, 3rd Edition. Key updates in the areas of electronic systems, climate control, and case and duct systems are just some of the enhancements to the newly revised 3rd edition. This two-book set continues to provide users with a complete introduction to automotive heating and air conditioning. In addition, a new chapter on both retrofits and future trends points to the prospect of R-744 becoming the next preferred automotive refrigerant. Also included is a comparison of components used in R-134A systems with those used in R-12 systems and a discussion of the various refrigerants approved to replace R-12. Coverage of modern engine cooling and heating systems incorporates discussion of the requirements for a closed cooling system and the operation of various types of cooling fans. Finally, all job sheets in the Shop Manual now include the exact NATEF and ASE tasks that each job sheet correlates to, ensuring that readers are well prepared for employment in the automotive trade. Product Benefits: More than 40 new job sheets cover various procedures such as inspecting engine cooling system hoses, inspecting heater control valves, testing the performance of the air conditioning system, replacing an AC expansion valve, and more. Each chapter has a set of NATEF-oriented objectives that helps readers understand and meet certification requirements. Updated illustrations and photo sequences that represent the most recent technological developments in the area of automotive heating and air conditioning. Improved photo sequences demonstrate basic skills and maintenance procedures to help foster learning. Table of Contents: Classroom Manual: Preface. Chapter 1: Health and Safety. Chapter 2: Temperature and Pressure Fundamentals. Chapter 3: History and Purpose. Chapter 4: Engine Cooling and Comfort Heating Systems. Chapter 5: System Components. Chapter 6: System Servicing and Testing. Chapter 7: The Refrigeration System. Chapter 8: Compressors and Clutches. Chapter 9: Case and Duct Systems. Chapter 10: System Controls. Chapter 11: Retrofit and Future Trends (R-12 to R-134a). Shop Manual: Preface. Photo Sequences. Chapter 1: Tools and Safety. Chapter 2: Typical Shop Procedures. Chapter 3: The Manifold and Gauge Set. Chapter 4: Diagnosis and Service of Engine Cooling and Comfort Heating. Chapter 5: Servicing System Components. Chapter 6: System Servicing and Testing. Chapter 7: Servicing the System. Chapter 8: Compressors and Clutches. Chapter 9: Case and Duct Systems. Chapter 10: Diagnosis and Service of System Controls. Chapter 11: Retrofit (CFC-12 to HFC-134a). Published by Delmar. Softcover. Classroom manual 348 pages. Shop manual (spiralbound) 480 pages. This item is non-returnable.

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