A/C System Introduction

Whether the A/C in the vehicle being serviced uses HFC-134a (R-134a) or CFC-12 (R-12) is indicated on LABEL (1) on the compressor. Also, it can be checked by the shape of the service (charge) valve (2).

Fig 1: Identifying A/C Service Valves & Compressor Label

Courtesy of SUZUKI OF AMERICA CORP.