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Passanger Sunroof drain leak - Final solution

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Passanger Sunroof drain leak - Final solution

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Old 03-02-2019, 02:54 PM
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Passenger Sunroof drain leak - Final solution

After some hard florida rain i noticed a small leak coming from underneath the glovebox i knew immediately it was the sunroof drain. ( this is my second sedan the first had the bcm destroyed by the water from the sunroof drain) knowing this is a design flaw i decided to buy a replacement drain plug.
i bought some pliers from harbor frieght and removed the a pillar, side of the glovebox cover and the air vent
(videos on youtube how to)
it took some time but i removed the old drain plug.
after clearing the line out with some hot soapy water i installed the new draig plug onto the house and wiggled it into the firewall hole. It appeared to be in correctly however when i did a water test it failed, worse then before. in a sort of aggrevated panic i took out and reinstalled the plug a second time and tried again, no luck , then i got unlucky and upon removing the plug it got lost in the small crevice between the a pillar and firewall. I scoured forums to try and find any help and I couldn’t however I found somone on the forum who had re routed both of their sunroof drains from the firewall holes, into holes in the bottom of the floorboard circumventing the problem from happening again. since mine was only on the passenger side it was even easier
 

Last edited by Soflov36; 03-02-2019 at 07:54 PM. Reason: Typo
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Old 03-02-2019, 03:02 PM
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Diy steps



First you will need to buy a 5/8 hose it could be nylon,rubber or viynl your choice
then connect the original drain hose into the 5/8 hose by pushing it into the new hose firmly about a inch in.
once you do this run some water down the drain to test for any leaks. If you have none your ready for the next step.
with the a pillar piece removed you have access to a small corner crevice which goes through the glovebox.
this is where you will run the new hose through.
i ran a shoelace through and down the glovebox to verify this route would work as shown below
 
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Old 03-02-2019, 03:06 PM
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Now that you confirmed it will fit through push the newly connected tubing down into this crevice (it helps to have to people, one to push one to guide and pull it through) you should see the otherside of the tube poke from under the glovebox as shown here
 
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Old 03-02-2019, 03:13 PM
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The wrap up

Now that the tubing is under the glovebox you may wonder where will it exit? Good question right under the passanger carpet is the ac drain line which empties to a small hole in the frame of the car. This is where i mounted my new tubing.
in order to access the hole you must remove the passanger foot vent on the left side of the footwell once you do that you will see 2 small black “screws” that hold the carpet in place. Once you wiggle the carpet out of these holes the firewall liner will be exposed and you will see the drain tube for the ac
 
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Old 03-02-2019, 03:18 PM
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Pics



after removing the ac drain plug and grommet by pulling it out there was space for the sunroof drain i wiggled both tubes into the hole and put a piece of gorilla tape on to secure it, i also cut a small piece away from the firewall flap to prevent any pressure on the hose or bump in the fitment.
 
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Old 03-02-2019, 03:21 PM
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Wrap up




after connected the hose to its new location you can put the carpet back it will be a little tough as the new hose is in the way screw the carpet back into the posts and it should look simmilar to the first picture
/ the second pic shows the piece of firewall insulation i cut for the tube
 
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Old 03-02-2019, 03:24 PM
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Final pics


with the install done it should look like this visible but hard to knock around with your feet.
and there it is the only REAL solution to this design flaw if you have any questions contact me
 
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Old 03-02-2019, 03:32 PM
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The final pic failed to show properly.
 
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Old 03-02-2019, 07:51 PM
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Here you go
 
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