Buick Repair Questions? Ask a Mechanic for Answers ASAP
The refrigerant is added to the system via the Low Side Service Port. This port is located on the front of the engine, towards the passenger's side, just above the A/C compressor. For an image location view, click here: https://www.dropbox.com/s/a3b97ly4l04e5j9/bui-lo.jpg?dl=0
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