1. Why Use This Service Guide?

Packed with information on the servicing and retrofitting of air-conditioning refrigerant systems so that shops and technicians can meet federal regulations, satisfy customers, and prevent damage to the environment. The second edition of the Automotive Air-Conditioning Refrigerant Service Guide was written to provide the latest information to automotive air-conditioning service professionals in order to help them comply with federal certification requirements and prevent damage to the environment. With an emphasis on proper recovery and recycling techniques for both R-12 and R-134a, as well as the proper retrofitting of R-12 systems to R-134a, the book will serve as a valuable instructional tool and resource for technicians. Chapters cover: General Safety and Service Precautions; Refrigerant and System Properties; Equipment for the Extraction-only of Refrigerant and Equipment for the Recycling of Refrigerant; Service Procedure for the Containment of Automotive Air-Conditioning Refrigerants; Retrofitting CFC-12 (R-12) Mobile Air-Conditioning Systems to HFC-134a (R-134a).