High pressure service vale on a/c
Senior Member
Joined: 06-26-2006
Posts: 1,876
From: San Bernardino, California
Gotcha. I misspoke earlier. My hose gauge is stuck on the low side! I wouldn't recommend trying to charge the high side. If it's leaking...maybe you can do what I did. Except yours was already leaking. Get a cheap ac hose from a gauge set. I actually just found the best deal at o'rileys. Anyway the hose is QD to the line, (check your sizes because high is larger than low so you can't switch them) then it's usually got a valve to the bottle. Close that and your leak should stop. Unless the shrader is just toasted!
Senior Member
Joined: 05-29-2015
Posts: 542
From: Cleveland, OH
Of course! I'm not a fan of driving around with that hose! But if it saves me 200 bucks I'll live with it for now. Haven't tried taking it off since we did the service about 2 weeks ago.
As a tech you'd appreciate my vacuum pump, cobbled together from ol freezer. Doesn't look safe, but it sucks.
As a tech you'd appreciate my vacuum pump, cobbled together from ol freezer. Doesn't look safe, but it sucks.
Senior Member
Joined: 06-26-2006
Posts: 1,876
From: San Bernardino, California
I knew I ran a risk when I posted that but I've seen good home made vacuum pumps made from old chest freezer compressors. The old guy that taught me more about HVAC than I learned in my classes had one that he had made.
Senior Member
Joined: 05-29-2015
Posts: 542
From: Cleveland, OH
My grandfather in law built mine. It's ancient. But definitely does the job! I have ice cold air. Evacuated the system for about 30 minutes and we're good to go again.
Last edited by Dbeluscak; Aug 6, 2015 at 07:18 PM. Reason: Can never get the text size right! Ever!
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