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A/C low pressure port

This is a discussion on A/C low pressure port within the Firebird / WS6 forums, part of the Vehicle Specific category; Hey all, I need to add coolant to my A\C and I need to find the low-pressure port. Is it ...

  1. #1
    Junior Member
    Join Date
    Apr 2007

    1998 Formula

    A/C low pressure port

    Hey all, I need to add coolant to my A\C and I need to find the low-pressure port. Is it the one on the canister or the one right next to the radiator? It is suppose to be on the larger hose running from the evaporator to the compressor, but I don't see this. Car is a "98 Formula.
    Thanks, Mark

  2. #2
    Senior Member
    Join Date
    Jul 2005
    Jacksonville, FL
    Don't think those recharge kits will let you connect to the high pressure side for safety reasons. My guess is the low side is the one on the canister, the high side would be the one closest to the radiator (consenser). Beware, even the "low" side is under a lot of pressure.

  3. #3
    Member ultra_badass's Avatar
    Join Date
    Mar 2007
    Corpus Christi

    navy blue matallic
    2000 WS6 trans am M6

    its dummy wont let you connect it to the high side since its the bigger one (not calling you dumb)

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