Quote:
Originally Posted by XfireZ51
I don't think Marc will have a problem with me posting his response to my inquiry re:134a. Looks a bit less involved than we may have believed. I will swap out the high side switch, just in case, but otherwise...
Hi Dominic,
The OE o-rings and switches are compatible with R-134a refrigerant. I have a GM service bulletin advising that. Only three things are needed. 8 oz. of PAG oil, service port adapters for R-134a and the refrigerant.
When installing a new compressor, it's a good idea to install a new filter/dryer and a new filter/orifice.
Best regards.
Marc
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Please note this post. I've done exactly this on several cars including my current car. I usually change the orifice valve too. AC works perfectly!
H
