R-12 to R134a Conversion

[Charless1]

OK I prolly have this in the entire Wrong area but I am trying to Convert the AC system in my 89 Chevy Corsica from R12 to R134A and am unable to locate the High and Low Press Port to add in the conversion connectors Where are the Damned things located

[86FieroSEv6]

Check the pipe that runs along the top of the radiator on the passenger side, if there it will be on the bottom side of the pipe pointing downwards. I have also seen them on the pipe at the rear of the compressor. Sometimes the low fitting is on the pipe at the firewall near the evaporator connection. Sometimes also found on the accumulator. I am home and therefore away from my Alldata so this list is just the most common locations for N-body and L-body.

[Charless1]

Not seeing the Connectors where you advised. I can find the Condenser Can and all the Lines just no Damned connectors

[Charless1]

OK I even gained access to ALLDATA professional and that site won't even show me the ports

[86FieroSEv6]

Go to an auto parts store web site, such as oreillyautoparts.com for instance, and look up the hose assembly and the accumulator. In the part images you should see where the service ports are and then you should be able to find them in the car. Don't give up, they are there!

[robertisaar]

odd... my alldata disk states the low side port will be on the accumulator... and the high side is located on the evaporator inlet pipe, between the condensor and evaporator... though that one is kind of pussyfooting around it. if it's like my wife's 90GP, pull the airbox, and you'll likely see both.

[Charless1]

OK I found the Low Side and I think from the Image I found on the Ready-Aire website I can see the Location of the High Side. What is odd is it appears to be hidden behind the Radiator

[Charless1]

Finally after much searching then runnign by my brother's shop found the Low side and it is on the Evap Can under the Airbox it the hard location to reach I have ever seen. I guess the General does not want me to fix my own AC. Of course after reading AllData the Transs will be a easy R&R (at least easier than trying to R&R a Dodge Shadow rtransaxle)