× 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: Identifying Pag vs Ester oils in R-134
Posted to HVAC Forum on 7/28/1998 5 Replies

[...trimmed text...]

There are dyes that are compatible with both PAG and Ester oils. This is 1998. There are chemicals that are not PAG or Ester, but are miscible and compatible with all refrigerants and all lubricants. ... Login to read more.

5 Replies Received (View Replies)