High pressure AC port location

2000 BUICK CENTURY
104,000 MILES • 2WD • AUTOMATIC
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EGUNS80
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  • 85 POSTS
Where is the high pressure AC port on my car listed above? I cannot find any diagrams online.
Sep 12, 2018 at 3:15 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
Good evening.

It is on the small line which is the high side. It is located by the dryer assembly. I attached a picture for you to view. It is to the left of the number 1.

Roy
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Apr 25, 2021 at 12:20 PM
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STEVE W.
  • CAR REPAIR CONTRIBUTOR
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As a followup, what is the reason you wanted the high side port? Do not attempt to charge the system through it. If the compressor is working the high side pressures can easily blow up the common small cans.
Apr 25, 2021 at 12:20 PM
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EGUNS80
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  • 85 POSTS
Not doing it with a can, my buddy has a Robinair machine that does it.
Apr 25, 2021 at 12:20 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
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Just to reinforce what Steve said, do not charge through the high side unless the engine is not running. If you charge it through the high side with the engine running you will destroy the compressor.

Roy
Apr 25, 2021 at 12:20 PM