× 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: AC filling quantity
Posted to HVAC Forum on 12/21/2023

on r12 systems were told to charge high side reading got to a certain level. there are charts to look at for this. look on 4 seasons site. 1134a was alittle different. r12 we used 2xambient+15%. we also wouls feel the suction line where it came out of case. fo... Login to read more.