Purpose The purpose of this book is to help automotive air-conditioning service professionals comply with federal and state certification requirements. To do that this book provides information about: 1.) the damage that R-12 and certain other refrigerants do to the earth's environment@ 2.) how to minimize the escape of air-conditioning refrigerants into the atmosphere@ 3.) the service equipment available and the importance of complying with SAE standards for both service practices and the selection and use of service equipment@ and 4.) retrofitting older air-conditioning systems to the new@ environmentally friendly refrigerant@ R-134a. It is assumed that you are or will become familiar with automotive air-conditioning systems and how they are diagnosed and repaired.
SAE R-141A-1996 history
1996SAE R-141A-1996 Automotive Air-Conditioning Refrigerant Service Guide (Second Edition)