It was just interesting to get a comparison with a new vehicle to see how the AC performed. I need to hook up my gauges on the Explorer and compare pressures out of curiosity.

Wonder if the low/high side pressures are vehicle dependent of more a function of ambient temps?

Yep , went to the garage and peeled off the sticker painted black. I do have a sight glass, yay! thank you! Another issue I noticed last night is I'm missing a baffle in the cowl that separates the recirculated air from fresh. So even though the vacuum door is closing on recirculated air, hot air is...

Unfortunately the new drier doesn't have a sight glass so I can't tell.

oops forgot that part! At 2000 rpm's the low was 35 psi and the high was 200 psi, before the fan clutch started working then the pressures dropped. I had the doors closed and ac on recirculate. I'll have to do again with doors open and fan on high. When I first charged it last september, i pulled a ...

Hi, Converted my car from r12 to r134 using classic auto air upgrade sanden compressor, parallel flow condensor back in sept 2016, I set POA valve to 26 psi., car has original clutch fan with new fan clutch. System is charged with 134 to 80% of r12 charge. It's been working great in FL while the hum...