My buddy (HVAC tech) came over and we filled the system with one can of refrigerant and he pumped it to 125 PSI of nitrogen. It slowly lost 5 PSI after almost an hour. We found a very small leak in the condenser and a decent size leak in the compressor so I've ordered those parts. He confirmed that ...

Great info - will try the oil and report back. Thanks!

You certainly do have a leak, and you have lost some oil along the way. Check for an oil/dirt stain along the lines and on the face of the condenser. The only way to tell if the evap has a leak is to put in a partial charge of 134 and then sniff the drain tube of the evap. Evaps leak commonly. Chec...

You certainly do have a leak, and you have lost some oil along the way. Check for an oil/dirt stain along the lines and on the face of the condenser. The only way to tell if the evap has a leak is to put in a partial charge of 134 and then sniff the drain tube of the evap. Evaps leak commonly. Chec...

When you connect everything up and switch on the vacuum pump, how long does it take to pull down to 22" hg? Leaks are difficult to locate with a vacuum test. Generally we use dyes and sniffers with refrigerant pressure in the system to locate a leak Once the leaks have been repaired you can us...

Hello - I'm trying to fix the A/C on my 04 Saab 9-5. A buddy let me borrow his Pittsburgh gauges (Harbor Freight) and using a loaner vac pump from Autozone I can only pull 22 inches of mercury on the low side gauge. I notice the below video, I should be able to reach 28 inches, whereas 30 inches is ...