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The Auto Heating and Air Conditioning Shop Manual contains thorough coverage of the tasks listed in the A7 Heating and Air Conditioning area of the NATEF Task List. Each job in this manual is a hands-on activity, and most jobs correspond to one or more of the NATEF tasks. By working through the jobs in this manual, students will learn how to properly recover refrigerant, evacuate a refrigeration system, replace faulty components, and recharge the system. The jobs have been carefully organized and developed to increase the chances of passing the related ASE tests by having the reader apply what has been learned in the classroom.