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I'm trying to use a do it yourself a/c coolant replenishment "a/c pro" is the brand. I need to find the compressor and the low point / high point ports to the a/c. Where are they?
Country: United StatesMake: PontiacModel: Grand PrixYear: 2005
Hello and thank you for trusting me with your question. My name is XXXXX XXXXX X will do my best to help you with your Pontiac problem.Does the charge kit just have a single connection?
Hi Dave,
yes, an adapter / connection and then a squeeze trigger to pull once the connecter is attached.
This will connect to the Low side service fitting. It is located on the larger line going up over the brake booster. See arrow in picture below.If you would like any additional information or have more questions please don’t hesitate to ask! Please remember to only rate my service when you are satisfied. IF you feel the need to rate "Poor Service" or "Bad Service", please stop and reply to me via the REPLY TO EXPERT button with the issue you have. I will be happy to continue further and do everything I can to provide you with the service you seek.I am not paid unless I get a rating of 3 to 5 Stars/Smiley Faces. If I have helped you with your question, please give me an appropriate rating so that I get credit for helping you.Thank you,David
Thanks Dave. I will try this when I get home and let you know how it goes.
Jeff
Sounds good. If you need any additional assistance, be sure to let me know.
I was able to connect the device to the car but I am abit confused by the readings on the refrigerant - if I am understanding it correctly I need to first identify the outside air temp before reading the psi in the a/c system. Does that make any sense? It says that I won't get an accurate reading on the psi unless the device is accurately reading the outside temp.
When the system has a charge it it, the static pressure (system not running) will be about equal to the outside temperature. Not a big deal. The pressure you are most concerned about is with the engine running and system ON. The low side pressure should be around 35-40 psi, this is where the system operates when fully charged and cooling well. If it is at 35 psi and cooling well, this is ideal.
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