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Old 08-06-2024, 05:48 PM   #4
Mouse330
 
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Drives: 2011 2SS, 2006 GMC Sierra
Join Date: Jul 2019
Location: MA
Posts: 316
That's the high side service port. I see these ports leaking all the time all all makes. They are replaceable. The A/C system has to be evacuated first.
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