Location of AC service port

Charge A/C at the low pressure connection which will be on the larger AC tubes and hoses coming out the the firewall and headed to the compressor. Here is a guide that will help.

https://www.2carpros.com/articles/air-conditioner-how-to-add-freon

Here is a diagram to help.

A High pressure connection
B Low pressure connection

Please let us know if you need anything else to get the problem fixed.

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