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Broken Turbo gauge 700 1989

posted by  Lord Thomas on  Tue Apr 28 19:02 CST 2015
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My turbo gauge is not working in my 89 760 wagon. Any ideas on how to fix this without getting an entire new dash? Thanks a bunch!







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    Broken Turbo gauge 700 1989

    posted by  aleekat on  Thu May 21 08:26 CST 2015
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    last visit: Fri Oct 24 13:19 CST 2014
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    Pull the cluster. Couple screws to remove the gauge. But agree with the rest, check the vacuum line that connects to the gauge.
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    Post Back. That's whats makes this forum work.








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    Broken Turbo gauge 700 1989

    posted by  Rolyak on  Wed May 20 21:00 CST 2015
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    last visit: Fri Oct 24 08:03 CST 2014
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    Dave Barton has several gauge faces. He admits the accuracy is not guaranteed but I like the HG (vacuum) readings for getting good MPG.

    http://www.davebarton.com/740TurboBoostGauge.html








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    Broken Turbo gauge 700 1989

    posted by  KlausC on  Tue Apr 28 20:00 CST 2015
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    If the needle fell off and is laying down at the bottom of the gauge, it can be re-glued. Most of the time, the vacuum line is disconnected somewhere or has a severe tear in it.
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    My back feels better when I sit in a Volvo seat








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    Broken Turbo gauge 700 1989

    uid 55's pic
    posted by  john sargent on  Tue Apr 28 19:36 CST 2015
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    last visit: Wed Oct 22 09:07 CST 2014
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    Are you certain that the hose is connected to the gauge? I have never seen a turbo boost/vacuum gauge break.

    In reality, it is a pretty worthless gauge. They don't tell you much, just if you have over, or under, ambient pressure in the intake manifold. Our turbo cars have them, but you never use one to drive by. Volvo quit installing them in the 1995 940s.

    --
    john







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