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Thread: A/C Help...Where is the low pressure port?

  1. 06-03-2010, 11:14 PM #1
    bthomas515
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    Default A/C Help...Where is the low pressure port?

    I was reading about how to recharge my air conditioning if I ever needed to do it, and can't find the low pressure port. I am not actually trying to recharge the a/c now(it blows fine), but its not as cold as it used to be. Also, just trying to gain some general knowledge I guess. I added an actual pic of an engine bay to help.
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  2. 06-03-2010, 11:20 PM #2
    -EnVus-
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    Low side is usually the Blue one...Also you may need the old refrigerant removed and New installed if its not as cool
    This must be done the Legal way
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  3. 06-03-2010, 11:53 PM #3
    joshk5145
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    Like he said but most I've seen have an L on them.
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  4. 06-04-2010, 08:07 AM #4
    Barefoot
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    the blue cap and the red cap are your service ports. which ever 1 of those 2 lines is bigger in diameter is your low side

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