1 Introduction to Automotive Heating, Air Conditioning, and Ventilation . . . . . . . . 11 2 Shop Safety and Environmental Protection . . . . . . . . . . . . . . 27 3 HVAC Tools, Equipment, and Service Information . . . . . . . . . . . . . . . 39 4 HVAC Electrical and Electronic Fundamentals . . . . . . . . . . . . . . 63 5 Principles of Refrigeration. . . . . . . . . . . . . . 81 6 Refrigerants, Refrigerant Oils, and Related Chemicals . . . . . . . . . . . . . . . 97 7 Hoses, Lines, Fittings, and Seals. . . . . . . . . . 109 8 Compressors, Clutches, and Drives . . . . . . . . . . . . . . . . . . . . . . . . . . 121 9 Evaporators, Condensers, Accumulators, and Receiver-Driers . . . . . . 143 10 Control Valves and Switches. . . . . . . . . . . . 153 11 Engine Cooling Systems and Vehicle Heaters . . . . . . . . . . . . . . . . . . . . . . 167 12 Air Delivery Systems. . . . . . . . . . . . . . . . . . . 185 13 Manual HVAC Controls . . . . . . . . . . . . . . . . 199 14 Automatic Temperature Control Systems. . . . . . . . . . . . . . . . . . . . . . 213 Brief Contents 15 Refrigeration System Diagnosis and Leak Detection . . . . . . . . . . 227 16 Refrigerant Recovery, Recycling, and Handling . . . . . . . . . . . . . . 251 17 Hose, Line, Fitting, and O-Ring Service . . . . . . . . . . . . . . . . . . . . . . . 269 18 Compressor and Clutch Service . . . . . . . . . 279 19 Valve, Evaporator, Condenser, and Related Parts Service. . . . . . . . . . . . . . 297 20 Heater and Engine Cooling System Service . . . . . . . . . . . . . . . 313 21 Air Delivery and Manual HVAC Control Service . . . . . . . . . . . . . . . . . 337 22 Automatic Temperature Control System Service . . . . . . . . . . . . . . . . 353 23 Air Conditioning System Installation and Retrofi tting. . . . . . . . . . . . . 367 24 ASE Certifi cation . . . . . . . . . . . . . . . . . . . . . 383 25 Career Preparation . . . . . . . . . . . . . . . . . . . 393 Appendix A: Rear Window and Mirror Defrosters. . . . . . . . . . . . . . . . . . . . 403 Useful Tables . . . . . . . . . . . . . . . . . . . . . . 411 Glossary. . . . . . . . . . . . . . . . . . . . . . . . . . 416 Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . 432 5