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  1. #1
    Saab Fan
    Join Date
    02 Oct 2018
    Location
    Ilkeston
    Posts
    9
    Saab(s)
    Saab 95 Estate Hirsch Vector 2.0t / Saloon Abbott
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    3 Pipe Manual 2005 95 Brake Vacuum Hose

    Hi,

    I am a amateur DIY Saab person. I had a brake pedal with hiss on release and also a whine noise which only appeared when you actually drive and accelerate. Not rev on driveway.

    I replaced the vacuum hose attached to the brake booster and two other places. It is the funny one which on my new part seems to prevent airflow one way on one pipe.

    My old one seems to be blocked maybe on one.

    Really my question is for an expert....

    1) what does the pipe do
    2) what is the suck blow reponse I should see and why?
    3) should I be cured as I think I am!

    Thanks

    Daniel

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  2. #2
    Saab Fan
    Join Date
    02 Oct 2018
    Location
    Ilkeston
    Posts
    9
    Saab(s)
    Saab 95 Estate Hirsch Vector 2.0t / Saloon Abbott
    Thumbs Up:   0
    Actually both symptoms still there on my drive to work so fixed something but not that

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  3. #3
    Bruno
    Saab Nut swisssaabist's Avatar
    Join Date
    18 Nov 2016
    Location
    Cheeseland or TICTAC land
    Posts
    499
    Saab(s)
    9-5 ARC Wagon 2002 2 t auto engine B205E
    Thumbs Up:   48
    better checking the valves on the air circuit....

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