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Leaking windshield washer hose

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5.7K views 32 replies 14 participants last post by  77 K20  
#1 ·
I have owned my 2011 Touareg since 2014. 270,000 miles total. Most hassle free miles. Replaced the exhaust cooler 2 times plus some other stuff. Now a small but necessary feature. The windshield washer hose is leaking at the transition to the hood. Is it something I can repair myself? Grateful for tips from you experienced owners.
 
#2 ·
Hello and welcome to the forums.
There's a thread on here where another member has the same problem, although I don't recall if it was a T3.
Your choices are to put a a new washer hose or put a splice in the hose line.
If it were mine I would just replace the line as it's lasted 13 years and you'll most likely get that out of the new hose..
 
#5 ·
It's common. I spliced mine last year using heat shrink tubing. Temporary fix. Replacing the entire hose from the reservoir to the spray nozzles would involve a lot more removing things to route. I have a brand new hose kit in the bag though, and when I have the mental energy and time, I'll be removing the plastics and routing using the old hose as a snake to pull the new hose.

I fthe leak on yours is accessible, try splicng first, either heat shrink or small barbed union plastic fitting, just to get by for a while. The hose kit was $38.
 
#6 ·
My '12 did this. Dealer fixed it for a few hundred dollars I think. Common area to break as stated. Never thought of wrapping it though.
 
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#12 ·
My line split in the same spot, on the passenger side.

I just bought some coolant hose with an ID a hair smaller than the OD of the corrugated plastic hose. Opted for a couple inches on either side of the splice, so the coupling was good and flexible at its biggest wear point without being too long or binding on anything else.
 
#13 ·
It's common. I spliced mine last year using heat shrink tubing. Temporary fix. Replacing the entire hose from the reservoir to the spray nozzles would involve a lot more removing things to route. I have a brand new hose kit in the bag though, and when I have the mental energy and time, I'll be removing the plastics and routing using the old hose as a snake to pull the new hose.
...
The hose failure at this point is a common problem due to it flexing. In my 2013 7P it failed soon after i got the car in 2020. I cut out the failed section which was a small split and only needed about 1 cm of hose removed and rejoined the two hose ends with a suitable connector. No problems 4 years later
Can you please post a photograph of your fixes?
 
#14 ·
Three pictires, First is the repair. I Bought some small tubing, can't remeber the size, and sliced the broken cracked VW hose, slid a piece of heat shrink over it all and no leaks since. It cracked exactly where the hood hinge is, fatigue and age is what I assumed.
Image


THe second pic you can see how close to the hinge it is.

Image


I've got the tubing kit, but been procrastinating until I spring another leak. Access to the washer fluid tank would be a bit of work, and so is routing everything.

Image
 
#22 · (Edited)
I noticed for almost a year before repairing that the spray was a bit weaker on my driver side, I chalked it up to dirt, or a worn spay nozzle assembly, or frost from the winter, since I didn't see the leak directly. But the hose finally gave way near the hood hinge, and cracked open spraying fluid everywhere on the passenger side window and to the right side of the car, that's when I figured out the weak spray pattern. After fixing it's back to normal.
 
#25 ·
I was going to, bought enough coolant hose to do the job, but spliced in a (roughly) 3" section at the hood hinge on the passenger side -- where the corrugated tube broke -- and haven't needed to go to the trouble of replacing the whole thing.
 
#33 ·
I bought some silicone tubing back in April of 2019. So far I have installed it over the factory broken tubing on three 2007s, one 2009 and one 2011. Haven't had any issues with any of them so far.
To use it I cut a section about 2" long. I cleaned the stock tubing with some rubbing alcohol then I sprayed some windex on them and slid the tubing on. The windex allows the tubing to slide over with a little twisting motion. I then used two very small zip ties to make sure it stays on.
I figured the silicone would remain flexible in extreme cold and still survive hot underhood temps in the summer.
Looks like the exact stuff I bought on Amazon isn't available anymore: But you can see the tubing size I used (5mm ID, 7mmOD).
uxcell 5mm x 7mm Heat Resistant Translucent Silicone Tube Water Air Pump Hose 5M Length