How To Find and Fix Water Leaking Inside a Car ~ Wet Carpet
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- Опубликовано: 25 авг 2024
- Today we find and fix the water leaking inside my car. The carpet was soaked due to water leaking on the floor. This is due to clogged sunroof drains. In this video, I will show you step by step how to dry carpet, and padding, clean and flush sunroof drains, modify the drains so they wont clog, and leak test the sunroof drains. Volkswagens leaking water has been a common repair, especially from clogged sunroof drains.
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Dude!!! Just hours ago I diagnosed that all 3 of my drains were good EXCEPT that damn rear driver side too!
You’re the first one to show exactly what it looks like.
I could find a basic diagram of the lines but no detail on how to get to them.
And you also answered why I couldn’t find that rear drain under my car either!!
I have a 2016 q5 TDI 3.0 & this was my issue!
So many thanks🙏🏁🤩
Hell yes!!!! I mean sucks about the drains but glad you got it fixed up.
This is just one of many places water can leak into a car. From my experience this is the most common place on a MK4/B5 car. I am also gearing up for a killer road trip. Stay tuned. :)
I'm actually troubleshooting my MK4 right now for a water leak. It seems to coming from an area just near the wiper motor.
@@atubebuff - I recently had to deal with that myself. There's a place where a wiring bundle goes thru the firewall, below the wiper motor. You'll need to remove the wiper motor assembly (and the windshield cowl, and the wiper arms) to get at it.
Agreed. Maybe a part two on the cowl drains under the inner fender and resealing the fresh air and wiring harness pass through.
You can pull entire rug & insulation to dry in the sun or inside. I have used commercial laundry washer & dryer for rug; color & shape somewhat disappear and hot dryer can shrink rug so use caution. You can use wet vac at home first to get most of the water or in a pinch. But you really need to dry completely ASAP to prevent mold (which will stink and can cause dangerous health issues). Experience- owned several VW Golfs lol.
Older VW Golf's were notorious for leaking via the doors - the polyethylene liners break or are not adhered properly 360*.
Huge help with my 2003 20th GTI. Just went through this whole process. You have to get under the insulation to realize just how much moisture is trapped, even if the carpet feels dry.
Yep it’s scary how much water can live under there.
@@HumbleMechanicWhy are Audi alarms so quiet? It’s a high pitched beep and it’s quiet!
Dang Charles - you earned your upvote today in a personal way! I had the passenger side floor board soaked on my Mk1 Jetta and it never occurred to me it might be the sunroof drain. I assumed it caused by a faulty windshield seal when I had my windshield replaced. As a precaution I ran a very thin bead of clear silicone along the windshield perimeter where it touches the glass and the body thinking that fixed the problem. Mind you I don't drive much in the rain so I never had to test that since.
I don't have any discoloration on the headliner, but still I suspect there's a chance the drain line pulled out from the drain spigot as you demonstrated and water ran down the A-pillar. I did notice that the frame that the K-Jetronic ECM bolts to was a little crusty when last I looked there - that would absolutely explain it! I will follow the routine you laid out to see if that's the culprit! Kudos to you bro! You are a rock star!
Your Friendly Canadian-prairie driver
This video is so freaking helpful!!! Dealing with my first water issue and it’s helped me diagnose things much quicker!!!
As a relatively new MKIV R32 owner (1 year), I really appreciate your videos. They are extremely helpful. Thank you very much for making them and helping the "R" community. Looking forward to your next one.
Used to see so many A4 and A6 Audi models with wet carpets where the pollen filter housing would leak after the plenum chamber drains blocked up with leaves and filled up with rain water. Not so much now I live in Western Australia! Sun roof drains are always a first check. Another great video Charles.
I browsed about 7 videos on RUclips. This is best fix video. Clean and practical instructions.
I've had the same problem on my MKIV GTI on the driver's side. Not a lot of water but a big pain in the ass. Cut off the ends of the drain nipples as suggested and so far even with heavy rains no problems. Very well done!
Man water leaks can be such a pain.
Thanks for video, Charles! You make a difference in the VW community and I appreciate it very much.
If you don't have a sunroof and have water on one of the front sides, then it can come from the doors inner panel, the sticky seal on the inner panel fails to do its job over time thus, water getting in the car when it is not on a flat surface. I have had the issue with my MK IV and fixed it by removing the sticky seal cleaning the panel and putting some clear silicone on the inner panel and refitting while still not dry.
mathotp what do you mean inner panel mate ?
@@tomrenwick3056 think he means the panel behind the doorcard. The one the window motor is bolted onto.
Hi mathotp, I have the same problem, could you kindly post a pic of how you fixed this issue? thanks a lot!
I removed my door card and alloy cover and resealed it with sealant,hopefully that’s it cured,but how does the water get in to soak the carpet if the cover is behind the door card? Cheers
@@dmc1221 Leaks between the door frame and the inner alloy panel going on the door rubber seal and since the door is closed it continues its way to the carpet
You inspired me to do my own leak test. Happy to report everything is fine. But as I said in another post, I had an issue like this once before.
This video helped me to figure out why my wifes floor is wet when it rains. THANKS MAN!
Imagine volkswagen building boats...
Might be good at building a Submarine?
VW has made water cars before called the VW schwimmwagen
VW made first Electric yacht 👍
😅😅😅😅😅😅😅
i had the exact same issue with my mk4 but i dont have a sunroof, turned out to be the seal on the big metal plate that the window regulator fits to in the door, the gasket foam tape stuff had split and water was leaking in through the door and into the front, i bought a d shaped sticky back rubber seal from ebay and replaced the original tape stuff and that solved the leak
could you explain exactly what needed replacing? i might have a similar issue: no sunroof leak issues, but car floor still gets wet after rain.
Hey , I own a polo Gt and have water under my mat on the drivers side after a rain . Can you tell me what you did specifically to clear the issue?
@@arvindsaravanan7114 go to ebay and search for "Car Door Seal D-Shape Stick On"
mathjuk thanks man
Hey Carl, I feel your pain, had happened to me in a couple of cars. Thanks for Sharing buddy.
I use weedeater line to clear the drains - just an FYI. You can choose how stiff you need by the differing diameters available.
I looked at that too. lol so many solutions
I’m not a mechanic but I’m humble and I loved this video. It gave me the words to explain to my mechanic what’s leaking and where in my car.
Thank you so much for this useful video. You save me from lot of headache. God bless you.
Using a wire in the tubing is genius! Thanks for saving me ~$600
Thought I’d RUclips this before going to the dealership. Definitely doing this today!!!
Bought this car to be a low maintenance commuter because my last car was an absolute nightmare and required constant repair. Owned it about two months and just found a puddle and damp marks along the front of the car. Working on my car is like getting dental work done for me I hate ever moment but thank you very much for this informative video its going to help me out a lot
"a low maintenance commuter" LOL these babbies are like 6 months old puppys, they need constant supervision!
Dude thank you so much for this vid. I've been having a persistent leak in my mk4 Jetta and it wasnt the sunroof drains. Driving me nuts trying to find it
Great video! Found it really helpful because I had no idea what was wrong with my car before watching it
Thanks. This video was very help. It turns out this is something everyone should do
if you have a VW Golf car with a sunroof. That nipple for the sunroof drain should be cut open as shown in this video. They are easy to get to in the front of the car, cut them open and test the drain with water. You can get to the other two in the back of the car from the inside of the trunk, you can pull the entire rubber unit into to the car and then cut them open, then reinstall them. It is a bit tricky but easy compared to trying to get to them from underneath the car. Great fix for preventing water getting into the car in the future, and the original solution to the sunroof drain is a bad design to begin with from VW.
Well. This is excellent. I am pretty sure this is my problem. Going to the garage tomorrow to investigate it!
12:19 Yeah Baby!
Happy New Year Charles! I restored a 1987 Golf Tdi (sold), fixed up a 03' Golf Tdi (sold), and like a bad drug, bought an 03' Golf Tdi
I wanted to say "Thank You!" for all your helpful videos. They have saved my butt many times over trying to find leaks and other PITA problems with the Golf family vehicles. Thanks again and keep up the good work. Outstanding videos!
I really wish VW would take responsibility at a corporate level for this..
I used black Shoe Goo to glue the drain lines in place.. most use silicone.. but I'm a Shoe Goo fanatic, it's my go-to after JB Weld. Also Goo Gone cleaned the clogged nipples pretty well and you can just poor it down the drains routinely. But snipping seems like a good idea too..
Honda has the same problem. They cover it up.
Ohhhhh man I’m so happy you out of all people is making this video. I have a MkVI gti and when it rains I get a moist carpet under the drive (not as soaked as yours) but it’s a frequent issue... I have a couple torn weather strips and plastic trim that lifts like by the windows and even my windshield one a bit. Hopefully you cover some more of these issues in coming videos
Wow Charles great video thank you so much for making this you are the man. I always enjoy watching these repair videos you make I have this annoying rain tray leak on my Corrado. I wasn't sure where it was coming from but this really clears it up. I was always afraid to open my sunroof I haven't in the past 6 months, but now I will check my sunroof tracks perhaps with some good speed cable I will run some bottled water through there and test those drains 👍🏁🏆
I kinda recently had to do similar stuff to the Renault Clio from my mother. It was on the driver side and happened due to cabling of the auxiliary heating system. The isolation of the hole where the cables came through in the firewall became brittle and together with a slightly clogged water drain in the firewall caused water intrusion. Was kinda hard to find as I had to remove basically everything in front of the windshield which was inside the firewall.
Guys, clean up the firewall at least once a year and also check the inside of your fenders when changing the tires! Stuff gets in there and clogs up everything and your car starts to rod from the inside out.
There must have been some kind of internal VW recall that had dealers and shops cutting the drains like you did in this video
Every Mk4 and B5 that I’ve owned and seen (that number is a lot) had drains cut like this, even on ones whose owners did not work on their own cars
There was! We were doing it for years before the recall to prevent it
Water leakage is one of the reasons that I don't buy cars with sunroof. But I had to change the antenna rubber gasket of my Mk.4 Golf to prevent a future water leakage issue coming from the antenna. Anyway, very interesting video, very usefull video.
Feel your pain dude, just fixed and cleaned up a water leak on my oldie. Funny thing is I didn't even notice anything until I looked at the blower motor and saw it dripping. My car has three oem layers of padding and that just stuff was sopping wet. Luckily no rust and the top two layers were dry. Was a good time to use my x mat in place of the just.
Greta guide. Have this issue with my mk5 golf gti with the driver and rear footwell carpets soaked.
Good Video! My MK4 R32 actually had a leak through the firewall. The body filler in the seam @ the rain tray was cracking. Not sure if its common problem just spreading the word.
Jerry Cortorreal. Thank you. I will check that on my mk4. 👍
For the drain tubes , you can use the nylon string from a weed wacker . Great lesson . A smoke machine may find other leaks .
Thanks Charles your video was the most complete and thorough of all the ones I watched on this subject... it was very helpful
Awesome. Thank you so much
I had the exact same issue in my Passat 2002, but the drain coming from the sunroof dislodged way down in the front, near the nipple. It seems when attempting the cleaning I pushed a little hard with the wire and... Pop! Didn't realised in that moment, but the rain season came months later and I began smelling the funky thing. Suddenly, below the front passenger carpet there was this little flood. Did the same you showed here but in passats the comfort module is down there. Luckily the water didn't flooded inside the CM. The amount of water was impressive, around 5 liters. The culprit part got some adhesive to be sure it doesn't happen again.
Between dissasembling, drying, disinfecting and reassembly it was a 4 day labour.
Other place worth the inspection on passats is below the battery. Lots of mud and leaves get down there and can clog the rubber drains and that water can get into the cabin through the blower motor and come out by the air vents.
Yes VW's are famous for trying to be U boats. German heritage! I suddenly recalled Voyage to the Bottom of the Sea.
Great info and great video.
A common source of water in the front foot well is overflow from the pipe that runs down the back of the front wheel arch. In a VW Sharan it is easier to access and clear this if the windscreen wipers and plastic cover underneath the wipers is first removed. This is an easy non-specialist job
You can also get a leak from the drain try over the pollen filter on the passanger side will cause the same problems
Yep. They are good about that too.
My MK5 Jetta had the same issue. Wish I found this vid sooner. That leak was stressing me tf out lmao. Took me forever to figure it out. But luckily no smell
Definatly do a video on finding leaks, My Mk3 jetta has a leak right near the driver side sun shade. No sun roof so i suspect the roof trim or the windsheild glue is leaking .
What a beautiful preview photo
Dealing with this problem now with my Jeep Liberty. So frustrating….
Hoping some of your tips might help. Nice video 👍
Thank you your
video helped me fix my 2010 Passat leak from the sun roof
My mk4 was victim of this last week! There was a puddle in the rear passenger side. My sunroof drains are clear so that's not the problem. I think it may be the body plugs? One of them is pretty worn out but is it possible to have that much water inside through just those body plugs? Also going to snip the drain nipples. Great idea!
Great video. Extremely useful
Very good video. Now I know where to check on my wife's car, for the water leak.
great video. exactly what I was looking for to figure out my mk4 TDI leak. Thanks!
damn, i new the front drains but nobody told me for the back end drains! thanks
I think you just saved me $400! Thank you for the awesome video!
man thx so much ihad wet floors at the right side all the time and turned out the drain was full of muck!
A good gadget for drying water is the "balloon promotion inflatables" used for temporary advertising. Also kids inflatable contraptions like water slides. I got one at a garage sale. Used it for blasting focused air into the boat sump. I was surprised how well it worked. Even better than the et dry vacuum in reverse.
That’s an awesome idea. Like those wacky arm flailing guys 😂
@@HumbleMechanic That's the one!
Hi - I liked the video. Have a 2002 beetle where I taped up the sunroof totally when leak continued after clearing tubes. STILL leaking. Where from? Under the cowling by the windshield wipers? This is now killing me. I can't figure it.
Will remember this when at work. Just replaced a fuel pump module that was burned up from water leaking into the back seat from a VW Jetta.
Dang! I’ve never had a fuel pump module have issues from water leak. .
This reminds me of the scene in the French Connection where they are ripping the Continental Mark III apart searching for drugs. :)
Very helpful video thanks Seemingly any leak in the car will be a nightmare to find and fix?!
It’s not fun lol
Really good seeing all these MK4 interior vids. Keep em coming.
Great info. Thanks for helping me solve my leak problem on my r32.
Gentleman, many thanks, you do perfect presentions, short and really focused.
Thank you !
Charles, don't know if you check back on some of your old videos, but I just checked my drain tube
ends and both of mine are cut. What I don't understand is who cut them since I bought this car new in Jan. 05
Amazing.
Someone at the dealer cut them. We did it in a lot of bigger services.
Always good watching a HumbleMechanic 👍🏻🇬🇧
🙏🙏🙏
Once again thank you sir!
You should post a video on mk7 Golf and Sportwagon sunroof water leaks... It would be a good 1 hour video. Cracked sunroof frames, clogged drains, body side sunroof frame seals un sticking... it goes on and on. Sure keeps us busy! Lol
That’s the worst design food of all time.
Thick weedeater string works great for cleaning out the drains, if you dont have an old speedo cable.
I was at the hardware store and thought that exact thing!
Good job Charles! ...I’m glad I don’t have a Sunroof.
That R32 is super clean. A cockroach came out of my jetta when I cut those kniples.
He is the best!
oh man I missed this vid. my mk4 tdi suffers from this. beer in hand, and enjoy
oh man. I dnt have a sun roof. I've read it's in the doors. foam seal breaks down let's water in car. on plus side had my rear door lock stopped working took it apart wd40 it up very stiff, works a treat now.
wow, this is a great video showing what really happens underneath the carpet when you have a wet carpet, i just got a puddle of water in my 08 audi a6 driver footwell and rear driver side. My reading suggests it has to do with some drain holes plugged. I'm confused who does what you do, the detailing shop or the mechanic shop and how much does it cost for a job like this.
just got a mk4 VR5 and all the carpets are wet this should help
Was awesome seeing you and the car in Helen 👍🏻 Keep up the great work!
Thanks so much. See ya next year?
Love it keep it coming. Actually working on getting 99 b5 avant quattro 1.8t 5spd
I've got a 2015 B8 VW Passat it doesn't have a sun roof but it does have a water leak on the drivers side floor. I've checked under the plastic cowl under the windscreen and that was clear I've also check the drivers for with water between the glass and door skin and the water ran out underneath the door at the front of the door, still a water leak any other ideas to check?
This was helpful I have a 99 sunfire and it has been neglected. I opened the driver door and saw water across in the passenger side. When it stops raining I can maybe fix this
Great info sir;;; weed eater string dudes. I put some got soapy water in firat, not too much then work your weed eater string down through. My 03 GLI had the same issue lol.
Very helpful. I have a b6 Passat. I wish my drains were where the b5s are haha!
The rubber grommet in the floor of my b4 wagon got all crusty and over time ( with out my knowledge lol) it completely came out. Had a open hole for about 9-10 months before I noticed. All that moisture stayed rite there in the sound deadening and carpet and rusted out the floor around the hole for the grommet. Upstate NY in a 25 year old car lol.
Thank you so much bro for showing me this vid, I really really appreciate all your vids.
Another good tool to snake out sunroof drains is a stiff thicker weedwacker string.
Love that
Leaks can be very hard to find. Often you find multiple leaks (like you did).
Over the years I have seen so many people spend a huge effort drying out the car and never find the actual real leak.
Personally I wedge something up the side of the drain grommets from the outside to let them drain and put my time into solving the leak. Eventually it will dry out and any smells will go away at a later stage.
oh my GOD
what a amazing video. This guy is incredible at this. Subscribed!
Looks very familiar 😂😂😂 I had 4 -6 water entry points on my v dub 4...it's dry now 😎
Lol those dang leaks
Please note for those plugs to ONLY use automotive silicon and not something you would use in bathroom. Normal silicone will cause rust because it contains vinegar! I prefer Sika made automotibe silicon.
Wish I had the mk4 r32, I do have a yellow 20th and ty for this video!!!!
My friend, you forgot to mention the drains in front of the windshield. Even those flood the passenger and driver's floor
This video was so helpful. Thank you my dude!
Your help let me find the leak on our 2009 Mercedes C63, worked fine, but on the Benz was a lot harder to find,(rear leak). But the same process worked
Awesome. And I’m sorry lol
Hello Charles, thanks for showing us how to dry out our early 2000s VW/Audi. I just unclogged my sunroof drains in my A4 B6. I have a question regarding key fobs and programming new ones to the car, how would one go about doing that?
Wet vac followed by a day with a dehumidifier works really well, in a garage. (As a step 1 if you don't want to remove the seats.)
Does that dry the padding completely? I’d still want to pull the carpet and check
Great videos Charles. Keep up the great work....
awsome info!
wondering if this is a similar set up for an 2004 infiniti fx45 , attempting to solve this exact problem!
I used to have a SEAT Ibiza 6J and after a rainstorm I had a pool in the passenger side, the culprit clogged drain nipples. As part of the maintenance I did the procedure you did every 6 months and it never happened again
The pollen filter housings on Mk4 Golf models under the windscreen leak water into the passenger footwell also.
Yes they do. Lol it’s basically a leak machine
I went into the trunk of my Infiniti M35 the other day to stow away a couple of tools in the spare tire cubby area underneath the carpet and found 1-2” of water sitting in the little basin that the tire sits in. It had been raining quite a bit the day before but strangely enough, none of the carpet in the trunk was wet at all. It was bone dry everywhere except for the spare tire cubby. I have no idea of where the water came in or the path it took to end up there. I also found it somewhat strange that there were no holes in the bottom of that basin. I figured there would be at least one small hole that would allow the water to drain but it’s completely solid. I don’t access that area of the car often so for all I know, there may have been water in there for months. It was a bit slimy in there, which was pretty concerning, but there wasn’t any kind of bad smell so who knows. I wonder if I should just drill a small drain hole through the bottom and live with it.
If you have a vet cac you can suck out most of the water from the carpet and speed up the drying time drastically 💦😁
The drain tube in my 05 TDI Jetta has seperated from the utter in the door jam . Have you come up with a solution to unite the two and stop the water from flooding the foot well?