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Filling AC Refrigerant without Air

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This topic contains 1 reply, has 2 voices, and was last updated by Nightflyr * Richard Kirshy 5 months, 1 week ago.

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  • September 28, 2020 at 3:20 pm #963907
    Aaron B
    Aaron B
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    When you fill refrigerant using a manifold gauge set to your automotive AC system, aren’t you also introducing the existing air from the manifold gauge hoses?

    • This topic was modified 5 months, 1 week ago by Aaron B Aaron B.
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  • September 28, 2020 at 6:27 pm #963913
    Nightflyr *
    Richard Kirshy
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    Which is why you purge the yellow line with refrigerant prior to filling the evacuated system

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