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Mystery vacum line???? 850 1996

posted by  bvincent on  Wed Jan 4 21:19 CST 2006
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I have 1996 850 N/A sedan. Just put in a new set of plugs, wire, cap & rotor. Went to put the air cleaner back together and the black vacum line connected to the top of the air cleaner box was disconnected on the opposite end from the box. There are 2 vacum lines on the Air box cover, 1 white and 1 black. The black line is not that long but I just cant find were it goes. Can some one tell me were it goes or trace there's down and let me know? Im really fustrated. Thanks








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    Mystery vacum line???? 850 1996

    posted by  MadeInJapan on  Thu Jan 5 03:48 CST 2006
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    last visit: Sat Oct 2 06:34 CST 2010
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    Read last night on Volvospeed that this vacuum hose is just suppose to hang down in the engine well. Try that and see if there are any ill effects. I have the same hose that just hangs and never had an issue...can't find official documentation either to tell me where it does or doesn't go.
    --
    1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.








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      Mystery vacum line???? 850 1996

      posted by  bvincent on  Thu Jan 5 04:02 CST 2006
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      THANKS FOR THE INFO. IT SEEMS TO BE RUNNING FINE.








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        Mystery vacum line???? 850 1996

        posted by  Oliver on  Fri Jan 6 00:51 CST 2006
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        last visit: Tue Apr 24 15:09 CST 2012
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        Just stepped out side and looked under the hood of the 96 850GLT. There are two vac lines coming from the back of the airfilter box. The white line runs accross the front of the engine under the front cover above the intake manifold. The other is a black line approx 18 - 24 inches long that is not connected to anything. The vac diagram on the hood shows two lines coming out of the filter box, and it appears that both do hook up somewhere. It is really hard to determine where they hook up based on the diagram.

        It would be interesting if anyone does have the black line hooked up.

        Oliver

        Almost a million Volvo miles and still smiling :)

        64 122S
        66 1800S
        86 245DL
        96 850GLT








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          Mystery vacum line???? 850 1996

          posted by  someone claiming to be bl on  Fri Jan 6 12:12 CST 2006 [RELATED]


          There are two vac lines that run to the air injection system controller that is on the inside lip of the radiator shroud. One is purple and one white if i remember. There is also a well hidden vac line (black) that connects to the cruise controller under the battery tray. WOnder if that's it?

          bl








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            Mystery vacum line???? 850 1996

            posted by  MadeInJapan on  Fri Jan 6 15:25 CST 2006
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            last visit: Sat Oct 2 06:34 CST 2010
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            Wouldn't think so because if it were loose from the cruise control, then the cruise would not work properly and mine does. Strange...
            --
            1998 S70 T5 Emarald Green Metallic, 2004 V70 2.5T Ruby Red, Previous Owner of Black '94 850 Turbo Wagon. My cars have been running so well lately they've got me worried.







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