Subject	Response
Posted by	Denis on March 31, 2023 at 11:26 AM
	This message has been viewed 134 times.
In Reply To	O-ring size posted by TTwinTTurboZ on March 31, 2023 at 11:11 AM
Message	You are correct, if the fill fittings accept the R-133 connections you either have a 1994 or newer car, or it was converted. As long as the O-ring is the same size and intended for a R-133 system you are good. A/C units are VERY susceptible to air & moisture. You should replace the dryer and use a vacuum pump to pull the system down to 18" hg for 20 min and then add the Freon. This would not be necessary if your system was just low, but yours has been open to the atmosphere too long. If you do not have access to the necessary equipment I would suggest taking it to a A/C shop for filling. Be prepared to do filling within a few hours of attaching a new dryer so that it does not get contaminated with the moisture existing in your system.
Follow Ups	A/C Leak (picture of leak) advice needed - TTwinTTurboZ 14:17:07 03/30/23 A/C Leak (picture of leak) advice - Denis 17:13:28 03/30/23 Freon Type - TTwinTTurboZ 06:06:28 03/31/23 O-ring size - TTwinTTurboZ 11:11:16 03/31/23 Response - Denis 11:26:33 03/31/23 Thanks - TTwinTTurboZ 10:22:26 04/02/23 You're welcome. Make sure to NOT turn on the compressor - Denis 21:32:04 04/02/23 Oil - TTwinTTurboZ 05:55:59 04/05/23 you can usually rent a vacuum pump - Agent X 07:32:46 04/05/23 Best way to go unless you have several cars, then own one (n/m) - Denis 11:02:32 04/05/23 I’ve been able to just tighten it down using needle nose - Kvert 11:15:30 03/31/23 Re: I’ve been able to just tighten it down using needle nose - TTwinTTurboZ 14:09:08 03/31/23 Needle nose - TTwinTTurboZ 14:10:24 03/31/23
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