Quote:
Originally Posted by billhard
If you are sure your system isn't leaking why not go back to R12? After I rebuilt the system on my 85 I charged with R134 and ran it for about 2 weeks until I was sure it wasn't leaking. Then I took it to a local AC guy who evacuated the r134 (even gave me credit for it) then charged me with R12. This wasn't cheap but it works really well.
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For the record ...
Do you want to describe what you did with regards to the oil in the system ?
In other words... did you have to plan ahead and make decisions about oil based on what you planned to do in the future ?
The more usual way to check for leaks is to pressurize with Nitrogen and four ounces of R22 ( which the EPA allows you to vent legally )..
This would negate any potential oil compatibility issues .
And would usually cost less than having the R134a evacuated by a pro with the proper equipment charging for their time...