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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 February 26th, 2018, 01:06   #1
Hunter489
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Join Date: Oct 2017
Location: Los Angeles, California
TDI(s): 2000 ALH
Default Loose Vacuum/Brake Booster Hose

My hose that runs from the brake booster to the Vacuum pump on my 2000 1.9 alh is loose and wiggly. I was told that is no good. It is loose at the Vacuum side. Here are some pictures. Where could I find the parts to fix this? Also. In the second picture is this black zip tie factory??



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Old February 26th, 2018, 01:08   #2
Hunter489
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shniiikks... Is this it?? looks like it.

https://www.idparts.com/vacuum-pump-...alh-p-785.html
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Old February 26th, 2018, 10:01   #3
Steve Addy
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Quote:
Originally Posted by Hunter489 View Post
shniiikks... Is this it?? looks like it.

https://www.idparts.com/vacuum-pump-...alh-p-785.html
Yes, that's the correct part. You might have some luck finding a good replacement if you look in the FS section or post your issue in the Mk4 forum. This forum is for Mk3 and B4 cars, the generation before yours.

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Old February 26th, 2018, 10:45   #4
JETaah
 
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If it is the pump nipple that is loose, there are a few ways to deal with this without buying a new vacuum pump.
Here is a tried and true way that I found that is a lasting repair:
http://forums.tdiclub.com/showthread...=LOOSE+NIPPLES
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Old February 26th, 2018, 10:57   #5
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And, no, the zip-tie is not factory.
On some cars (Golfs?), that tube came covered with the rubber hose over the barbed fitting joints because the hard plastic vacuum tube tends to crack in those areas. It would not hurt to check under the cover hose for cracks. It is very common.
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Old February 26th, 2018, 13:26   #6
hey_allen
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From the factory, the hard plastic would have gone all the way onto the elbow that is pressed into the grommet in the Vacuum Booster.

I was a cheapskate and made a replacement hose for mine, with a length of air brake hose from a local auto parts store, but they're not that expensive to buy the whole assembly, as long as you don't mind waiting for shipping.

I would strongly recommend taking care of it, one way or another!
This caused a couple of nearly panic inducing moments when I lost brake assistance on an offramp, prior to fixing it.
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Old February 26th, 2018, 17:11   #7
Abacus
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I'll move the thread.
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