Volkswagen Tiguan | Part 1 | Water Leak Detection Service

Video transcript

0:00 Okay, so quick update on the Tiguan. So we've checked it all out, been a bit of a difficult this one. I was expecting the front screen to be leaking, but there's no signs of any leaks on that one now. We've currently got it wet in the driver's front, and I haven't lifted up the carpet because you've got to take quite a few bits out, but what I've got is I've got this special machine here, and when it notices water what it will do is obviously it will sound.

0:26 So there we go, so we can see that there's water here and here. But the thing what's making me wonder is if I put it here, it's not going off, and up here as well. So we've got no beeps up by where the screen is. As we go down into the passenger well, what we can see, there we go, so it's watered there again, and it's there again, and then it's there again. So this is on the plastic. Now underneath this plastic there will be a

1:08 run, and the reason why that's showing that it's wet is if we come in the back here. What I've done is I've got our hose up here underneath the bumper, and just basically acting like it's out driving down the road. If we come in on the inside of the boot and look in this little cubby hole, there we go. So what it looks like someone's done is they have run the reverse sensors through the air vent on the flap, so it leaves the flap open. So as you can see there, we're getting a bit of spray up, and obviously it's falling on this

1:47 bit here. And then what it will do is it will fill up in that box section, then transfer into this box section. And then what that will then do is allow it to run all the way down on this inside here, because it will use it as a slide on the inside. And if I just get our machine and put it here, it's showing us this, we can see that it's got no dampness there. But if I slightly put it over to that ledge there, we can see the further I get into that ledge, the higher

2:24 it reads. So that would be the trowel that's running down. So there we go, we've managed to find out what it is. Obviously the reason why we've got to remove the seats is because you can't get it dry. We've obviously the seats in, we are going to have to lift up the carpet, suck out as much water as we can, and then we will put our super dryer in there as well. I'll probably recommend when we get the carpet up, wear UVA fog underneath the carpet as well, because there is quite a dirty water smell. So we're just going to put an

2:55 estimate together now to obviously get that one fixed, but we're going to have to remove the rear bumper and to see how we can rerun these cables which are going through the air vent. So you can see there, it's actually spitting in now, and there we go. So that's what it's going to do. You can see the water down there starting to collect, and then what that will then do is, as I say, run down on the inside under the rear seat and then fill up the footwells. So there we go.

Nov
27
2023

We see a lot of Tiguans, and they are known to have problems with the sunroofs leaking. On this car, we initially thought the windscreen leaked.

However, this vehicle is an example of another problem we see far too frequently, which is bodge-jobs by the cowboys who fit after-market equipment -- it would be too generous to call them "electricians".

That isn't to imply that they are all cowboys, but we do see rather a lot of examples where holes are drilled where holes don't belong, cutting through membranes, drilling through bulkheads, not using grommets, or pushing multiple wires through grommets designed for one wire, etc.

In this particular case, they have run the cables for a parking sensor through a rear air vent. This air vent is supposed to act as a one-way valve, letting air out, without letting water in. Wedging it open with electrical cables allows water splashed up from the road, or rain water running inside the bumper, to pour into the back of the car where it has flooded into the floor pans as you can see in the next video.

Thankfully, we have some talented chaps working for us, and James will rewire and fit the parking sensors correctly so they don't leak. 

If, the company that did this is still in business, we would suggest that the customer has some recourse for the cost of drying and decontamination.

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