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  1. #1
    Saab Enthusiast
    Join Date
    30 Jan 2017
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    Trumbull, CT
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    106
    Saab(s)
    2007 9-5 2.3t
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    By-pass Charge Valve - P1110 vacuum line question

    I got the P1110 code which I got about a year ago. At that time I changed the vacuum line from the solenoid to the charge valve as I noticed it disconnected and brittle. This time I noticed this line disconnected again. After reconnecting with no loss of CEL, I changed the by-pass valve. When doing so I found the hose disconnected again. I connected it and checked for a snug fit. I drove the car about 100 miles and for the hell of it checked the hose again-disconnected!🙄 Is there any way this line can get pressurized and blow the hose off the nipple at the solenoid valve?

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  2. #2
    Desmond Khoo
    Saab Enthusiast
    Join Date
    24 Mar 2012
    Location
    Malaysia, Kuala Lumpur
    Posts
    152
    Saab(s)
    2006 9-5 2.0t
    Thumbs Up:   1
    when you are on boost, all lines are pressurized. use some cable tie to hold it in place, or get a smaller diameter vacuum line.

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  3. #3
    Saab Enthusiast
    Join Date
    30 Jan 2017
    Location
    Trumbull, CT
    Posts
    106
    Saab(s)
    2007 9-5 2.3t
    Thumbs Up:   3
    That's actually exactly what I was thinking of doing. I'm guessing that maybe in the summer heat here that the tubing got soft and expanded making the connection loose enough to come apart. I had thought that the purpose of this connection was to hold vacuum on the charge valve diaphragm. I didn't realize this line became pressurized with turbo boost. Thanks for the response.

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