Thank you both for what I suspected I needed to do. Better to do it nice then to have to do it twice!

Hello everyone, I had a question concerning PAG oil compatibility with an older R12 system. The new compressor I purchased came with PAG 100 installed. I have heard that this might have some adverse effects, seeing how it is impossible to drain and flush out the remaining refrigerant and oil with th...

Thanks, Tim. It is just strange that there was a fitting on the high side that fits the cold side gauge, and no fitting for R134a on the cold side. Sorry but this makes little to no sense. You attaching both gauge lines to the Low/Suction side of the system. You have an R12 system someone is trying...

High side lone is hooked to an R12 Low side service port. Follow the lines from the condenser back for the High side port. Normally the bottom line from the Condenser. Thanks, Tim. It is just strange that there was a fitting on the high side that fits the cold side gauge, and no fitting for R134a o...

Hello everyone, this is my first post, so please be kind! I have a 1991 Volvo 240 that has been retrofitted from R11 to R134a. While the ac is somewhat cold, I am a little confused with the meaning of the manifold gauge readings. [url=https://postimg.org/image/pujgpd0lr/][img]https://s19.postimg.org...