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Thread: auto valve cores
06-03-2004, 09:42 PM #1
Are valve cores on R-12 automotive systems the same that we use on refrigeration? A friend called and said his high side is leaking on his 90 Chevy and I didn't know what to tell him.
06-03-2004, 09:56 PM #2Regular Guest
- Join Date
- May 2004
not sure as I don't do cars either, ( cept that one time between jobs and used up the last of my 12 ten years ago..)
Anyway..., If remember right, one side would not hook up to our conventional hoses meaning a different (larger) OD. Most likly same schrader?
06-03-2004, 10:15 PM #3
06-03-2004, 10:18 PM #4
You should be OK on R12.
I think R134 valves use different cores, but I would'nt bet the bank on it.We've been doing so much,for so long,with so little, that now we can do almost anything, with nothing at all.
06-04-2004, 01:23 AM #5Professional Member T-bad email
- Join Date
- Sep 2000
- Pekin, IL USA
Re: older cars.......Originally posted by Diceman
I remember the low side was same size as out gages but the high side was smaller, need an adapter ftg.
06-04-2004, 10:34 AM #6
06-05-2004, 02:50 PM #7
The high side is 3/16". You can buy an adapter at most parts houses. Sometimes, both sides are 3/16". I keep two. For the newer models with 134a, all bets are off.
06-05-2004, 04:52 PM #8
These are for r-134a. They are adapters that fit onto standard hoses. They press on, sort of like air lines kwik connects.