× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 134 conversion
Posted to HVAC Forum on 4/12/2018

when 134a came along , to retrofit , you had to replace drier , hoses , o rings , and in some cases compressor .a few years later , just replace drier , on systems when it was not easy to replace oil , just add the new oil on top of old one .evacuate , and put... Login to read more.