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Old 11-15-2009, 03:10 PM
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Default 95 A6 Vacuum diagram needed

I just bought a 95 A6 FWD and am fixing some issues the geniuses before me caused and others they didn't fix right. I have a vacuum house near what I believe to be my blower motor that is just tossed in the compartment with a screw inserted into the end. Does anyone know where this goes or where I can find a vacuum hose diagram.

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Old 11-15-2009, 04:27 PM
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That vacuum hose goes exactly on the other side of the blower, connecting to some type of valve/pump as you can see in the pic:
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And here's a diagram, if you don;t already have one under your hood:
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You're welcome.
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'95 12V - 167,400 miles - engine rebuild + ps fluid and ATF change; switched to Mobil1Syn 0W-30 at 158,200; Purchased Dec. 2008 @ 152,100 miles - Presently 182,500 miles
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Old 11-15-2009, 05:06 PM
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That could be a problem. I just replaced one of the heater hoses and that diaphragm looking part is not there. Looks like the problem goes even deeper then I thought.
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Old 11-15-2009, 05:57 PM
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Is raining right now, but when I have a chance (tomorrow probably) I'll check and see if that diaphragm has a part number on it.

P.S. I looked thoroughly through the Bently manual and I cannot find anything related to this particular part.
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'95 12V - 167,400 miles - engine rebuild + ps fluid and ATF change; switched to Mobil1Syn 0W-30 at 158,200; Purchased Dec. 2008 @ 152,100 miles - Presently 182,500 miles
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Old 01-24-2010, 10:07 PM
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To bring life into a dead horse. I have figured out almost all of the vacuum issues the only one that remains is that i disconnected the vacuum hose that goes to the one way check valve and dont remember where it goes on the motor.
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According to AllData it connects to the engine vacuum supply. Every vacuum diagram that i have found does not show where this hose goes. When I originally removed it, it was attached somewhere near the EGR in the diagram that chefro posted.
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Old 01-24-2010, 10:28 PM
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Look right where the fuel regulator connects to the manifold. Should be a tee there. If not there, then under the MAF where's there a mess of them comming together.
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04, 1995, 2000, 95, 96, a4, a6, allroad, audi, diagram, elantra, hose, hyundai, leak, pump, vacuum


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