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Go Back   TDIClub Forums > TDI Model Specific Discussions Areas > VW MKIV-A4 TDIs (VE and PD)

VW MKIV-A4 TDIs (VE and PD) This is a general discussion about A4/MkIV Jetta (99.5-~2005), Golf(99.5-2006), and New Beetle(98-2006). Both VE and PD engines are covered here.

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Old January 10th, 2005, 18:13   #1
pgdub
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Join Date: Dec 2002
Location: Canada
Default Vacuum Tube

[image]http://pics.tdiclub.com/showphoto.php?photo=16184[/image]

I was looking at my engine today and noticed that a vacuum tube was dissconnected and couldn't figure out where it connects to. The tube that is dissconnected is circled in green in the photo, and it is in the group of three tubes and is the larger of the three. Van anyone help me locate where this larger vacuum tube connects, the car is a 2001 TDI.

Thanks in advance, PGDub
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Old January 10th, 2005, 18:20   #2
Luv My 02 TDI
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Fuel Economy: 52/48/44
Default Re: Vacuum Tube

The one connected to the T connection?
It comes from the T to your Air Filter box?

It goes in the air filter assemply under and behind #4 the MAF.
Do you have about 8 inches of tube hanging out?
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Old January 10th, 2005, 18:38   #3
pgdub
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Default Re: Vacuum Tube

Quote:
The one connected to the T connection?
It comes from the T to your Air Filter box?

It goes in the air filter assemply under and behind #4 the MAF.
Do you have about 8 inches of tube hanging out?
yeah it comes off the "T" fitting, its the larger of the three hoses, where of the filter does it connect?
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Old January 10th, 2005, 18:40   #4
pgdub
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Default Re: Vacuum Tube

Yeah there is about 8 inches, "under and behind the number 4", i dont know what the number 4 is?
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Old January 10th, 2005, 19:00   #5
Luv My 02 TDI
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Default Re: Vacuum Tube

#4 is the MAF it connects here...
This is looking from the Dirvers Side View Mirror under the HOOD. Its behind the AirFilter BOX.


B I G _ S I Z E Photo
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Old January 10th, 2005, 19:09   #6
pgdub
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Default Re: Vacuum Tube

Yes, that is exactly what i was asking about, does it just sit there or does it connect to sumthing, because there is nuthing for it to connect to on my car, so i assume it just sisters there, or do u glue it there or sumthing?

Thanks for help and that picture.
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Old January 10th, 2005, 19:11   #7
Luv My 02 TDI
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Default Re: Vacuum Tube

Click on the BIG size.
You will see the END of the Tube and a Little of the PLASTIC part it slides over...
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Old January 10th, 2005, 19:13   #8
pgdub
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Default Re: Vacuum Tube

Shoot, i dont have that on my car, mabye it broke off or something, there is no hole there for anything for it either, should i just seal it off with a golf tee or should i leave it open?
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Old January 10th, 2005, 19:18   #9
Luv My 02 TDI
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Default Re: Vacuum Tube

No Idea.... My photos are from a 2002...
But are you sure you dont have a hole under the MAF connector?
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Old January 10th, 2005, 19:20   #10
pgdub
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Default Re: Vacuum Tube

yeah 100% sure, it seems like the connector was glued there, but it came off somehow, and there is no passage to the airfilter it was just a connector to hold the hose it seems...
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Old January 10th, 2005, 19:23   #11
Luv My 02 TDI
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Default Re: Vacuum Tube

Maybe some one else will chime in..
I pulled on my tube and ut was not budging.
I don't want to break it. Does it look as it something was in that location...

Maybe do a search on Air Filter or Air Box and see if any photos or directions for removing it. Might tell a little about that tube.
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Old January 10th, 2005, 19:58   #12
Luv My 02 TDI
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Default Re: Vacuum Tube

Well it's bed time I hope you figure this out...
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Old January 10th, 2005, 19:59   #13
pgdub
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Default Re: Vacuum Tube

alright thanks for all the help, maybe someone else knows whether or not that the line is supposed to flow through or just be sealed.

Thanks again for all the help.
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Old January 10th, 2005, 21:15   #14
MOGolf
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Default Re: Vacuum Tube

That line should connect to the air filter box. Do not seal it off. It is supposed to supply filtered air to the control valves for EGR and boost, which those valves use to regulate the EGR and boost by switching between the filtered air and vacuum.
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Old January 10th, 2005, 21:31   #15
pgdub
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Default Re: Vacuum Tube

do you think it will be a problem if i just leave it hanging out?
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