Ac charge connection
July 15th, 2022, 08:00 AM
#1
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Location: Mississippi
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Ac charge connection
Does anyone have a picture of where you connect your AC Charge hose on a 1974 Cutlass Supreme..also can you use those new connectors they have now where you pull the coupler back and it snaps on
July 15th, 2022, 08:17 AM
#2
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Location: Phoenix, AZ
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The snap-on connectors are for R134A refrigerant. Your R12 connectors are threaded screw-on type. This difference is specifically to prevent people from putting the wrong refrigerant in the system.
July 15th, 2022, 08:28 AM
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July 15th, 2022, 08:29 AM
#4
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Ac connection
So my system can be 134 but have the connection still like the R12...my low pressure hose runs to the drier and it has two connectors
Last edited by cublex; July 15th, 2022 at 08:30 AM. Reason: Correction
July 15th, 2022, 09:02 AM
#5
July 15th, 2022, 11:05 AM
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July 15th, 2022, 11:36 AM
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July 15th, 2022, 02:04 PM
#9
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Location: Saxonburg, PA
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It can't always be assumed that everything was done by the book. There are 134 adapters that screw onto R12 fittings. If the adapters are used, you're supposed to leave the 134 adapters on and put a sticker on the system to say its now charged with 134. I had a truck that we did that to, but the adapter leaked. The solution was to charge the system with 134, then remove the adapter quickly, so it wouldn't continue to leak. I never put the sticker on either. Someone looking at the truck would see R12 adapters and no sticker -- and would probably come to the conclusion that it was still charged with R12.
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