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  1. #1
    Saab Fan
    Join Date
    30 Jan 2017
    Location
    Trumbull, CT
    Posts
    48
    Saab(s)
    2007 9-5 2.3t
    Thumbs Up:   2

    AC Recharge - low pressure valve issue

    Has anyone ever had an issue with "activating" the low pressure valve on their AC system? I connect the hose with the gauge to low pressure connection, but can't add fluid. The gauge on the hose does not register any pressure when I connect it and if I try to add fluid, it just seems to pressurize the hose. It was very difficult to connect the hose, but when I finally did, I couldn't charge the system. Any suggestions would be appreciated.

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  2. #2
    Saab Owner Digger's Avatar
    Join Date
    28 Oct 2016
    Location
    Minneapolis Minnesota
    Posts
    782
    Saab(s)
    2006 9-3 2.0t SportCombi
    Thumbs Up:   125
    The same valve set on millions of cars, not just Saab's. If valves never went bad, they wouldn't make special tools to replace bad valves without dumping Freon into the air.

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  3. #3
    Saab Fan
    Join Date
    30 Jan 2017
    Location
    Trumbull, CT
    Posts
    48
    Saab(s)
    2007 9-5 2.3t
    Thumbs Up:   2
    Thanks Digger. I never knew they made these tools.

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