Vacuum diagram for 93 V6 2.8 whithout EGR

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Old 06-26-2007, 09:08 AM
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Default Vacuum diagram for 93 V6 2.8 whithout EGR

Does someone perhaps know where I could get this diagram? My car is an Automatic and she also doesn't have the Evap canister purge regulator valve or the EGR valve, the only diagram I could find was this one on 12V.org now no 17 on the diagram is connected to a blue tube connected to a blue plastic tube that is finally connected to a blue elecric connecter, I don't know if it should be connected there, because there is a pipe from the AC compartment(Which is dangling loose on my car) that I think should be connected there,any suggestions?
I checked the FAQ but that is for a manual with an EGR of which none apply to me

I really think my car's vacuum lines are hooked up wrong any help please!<ul><li><a href="http://www.12v.org/maintenance/index.php?section=tr&amp;ss=vac&amp;auto=yes&amp;e gr=no">http://www.12v.org/maintenance/index.php?section=tr&amp;ss=vac&amp;auto=yes&amp;e gr=no</a</li></ul>
Old 06-26-2007, 12:30 PM
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No one know where I could find such a diagram?
Old 06-26-2007, 01:14 PM
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Default all the vac diagrams in my Bentley are for systems with Evap

would any of those help at all?
Old 06-26-2007, 06:19 PM
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Sticker on the inside of the hood?
Old 06-26-2007, 09:02 PM
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Default Does this help?

<center><img src="http://pictureposter.audiworld.com/57225/vacuum_diagram_with_no_egr.jpg"></center><p>When you look at the diagrams, no matter which ones they are, try to think about the process of what's going on. Then it won't matter which components your car has.

Note that the dark green supplies vacuum to everything. Then, the different solenoids are activated by the computer, as needed, and that allows vacuum to get to where it needs to be.

If you look on the driver's side of your throttle body, you may find a fitting, or a 3mm vacuum line that's just sitting there disconnected. This could be what goes to your heating and A/C system to operate the heater valve and the recirculation flap.
Old 06-26-2007, 09:50 PM
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Default Re: Does this help?

Thanks austinado16 the pipe you are talking about that should be disconnected, thanks for makig me 100% sure it is for the ac system, on my car that 3mm vacuum fitting on the car's throttlebody is connected to a blue tube that goes just behind the intake plastic box that is connected to the throttle housing, and from there it is connected to a blue electrical connecter(Can't remember the colors of the wires) any idea where that should go? maby to the intake manifold change over valve?
Thanks for the help so far
Old 06-26-2007, 09:52 PM
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Default Re: Sticker on the inside of the hood?

Nope my car doesn't have one
Old 06-26-2007, 09:56 PM
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Default Re: all the vac diagrams in my Bentley are for systems with Evap

Thanks Dave, I just think that I should take my time and figure it out by myself.
Than I would place my findings here maby someone may find it useful, but according to the pic austinado16 sent me, my vacuum pipes are hooked up wrong, maby that is the reason my car is idling like crap(She has a sort of a miss at idle)
Old 06-26-2007, 09:57 PM
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Default Look at the diagrams again....

<center><img src="http://pictureposter.audiworld.com/57225/vacuum_diagram_bulletin_in_color_website.jpg"></center><p>
Note that on all the diagrams, whether the car has EGR or not, they all start the same: A dark green plastic vacuum line comes out the right rear top corner of the intake manifold.

It is this source for vacuum that "powers" the items there under the hood, like the fuel pressure regulator, the vacuum storage ball, the EGR solenoid valve, the Evap purge valve, the manifold change-over valve, etc.

Your system should follow this same method.
Old 06-26-2007, 10:03 PM
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Default Re: Look at the diagrams again....

Thanks
Yes I quickly checked(22 deg Farenheit outside)
It is about the same same place using vacuum, same line going to vacuum ball ect.
Thanks again.


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