When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
Hello everyone, I'm a proud owner of a 2012 g37x sedan. I want to know if anyone dealt with rain water leaking into the car at the passenger side. I've attached a picture. Any help is helpful, thank you everyone. The leak is at the far right from above.
Very likely a clogged sunroof drain. There's a DIY vid in this thread: https://www.myg37.com/forums/body-in...tube-leak.html
Good to fix that asap because you don't want the electronics modules in that area to get wet!
Very likely a clogged sunroof drain. There's a DIY vid in this thread: https://www.myg37.com/forums/body-in...tube-leak.html
Good to fix that asap because you don't want the electronics modules in that area to get wet!
hey brother , can you tell me exactly where the sun roof drain tube grommet at the firewall is located ? I want to start fixing it on my own. Thank you
On the Coupe, the drain grommets are directly behind the vents. I would imagine the same is true for the sedan as well. I will warn you, they are a REAL B¡TCH to get to. My bloodied fingers can attest to that.
I'm battling a minor water issue but thankfully it is not the sunroof drain... though I will likely reroute the passenger side drain through the floor while I have everything torn apart- as a preventive measure...
Last edited by ILM-NC G37S; 09-01-2020 at 11:28 AM.
Click on G35/G37/Q50, scroll down and click G37, then Sedan, then 2012. There you will find all of your factory service manuals in pdf form. "Roof" shows the sunroof for example, but not much detail about the drain routing. As you select a book (like Roof) it displays in a window, but below that window is a "click to download" which I recommend for ease of viewing and navigating. Grab as many as you can, very handy, with thanks to the NICO club for hosting.
Click on G35/G37/Q50, scroll down and click G37, then Sedan, then 2012. There you will find all of your factory service manuals in pdf form. "Roof" shows the sunroof for example, but not much detail about the drain routing. As you select a book (like Roof) it displays in a window, but below that window is a "click to download" which I recommend for ease of viewing and navigating. Grab as many as you can, very handy, with thanks to the NICO club for hosting.
I'm currently working on it. I have also sealed the sunroof from outside in case of a rain. What I have in my mind as a solution is to attach a rubber tube from right where the drain tube meets the suction like thing. Grommet or whatever that is. I will then guide it along the wiring and all the plastic pieces down to the floorboard. However I don't know where to drill on the floorboard. I really need some inputs on this. Thank you all
Oh man, I'd hate to see you drilling through your floorboard... There are good reasons why that hose passes through the firewall before draining out below.
Wait for some better suggestions from people here who have fixed theirs.
I'm currently working on it. I have also sealed the sunroof from outside in case of a rain. What I have in my mind as a solution is to attach a rubber tube from right where the drain tube meets the suction like thing. Grommet or whatever that is. I will then guide it along the wiring and all the plastic pieces down to the floorboard. However I don't know where to drill on the floorboard. I really need some inputs on this. Thank you all
Just tap the drain tube to the AC evaporator drain that goes through the floor: Sunroof Floor Drain
This is the likely path I'm going to take even though my sunroof drains are still intact.
Just tap the drain tube to the AC evaporator drain that goes through the floor: Sunroof Floor Drain
This is the likely path I'm going to take even though my sunroof drains are still intact.
the big back tube ?
so I guess I need to extend the drain tube all the way down then drill and fix it into the ac pipe ? In that case do I deal the grommet with silicon?
the big back tube ?
so I guess I need to extend the drain tube all the way down then drill and fix it into the ac pipe ? In that case do I deal the grommet with silicon?
THERE IS NO DRILLING INVOLVED! Why make more work and potential aggravation for yourself? There is already a drain tube/hole in the floor. Use that one, don't make another.
All you need is a plastic "T" fitting, tubing, and some zip ties to clamp the tubing. You will cut the black tube that's on the floor (the AC Evaporator drain hose), insert the "T" fitting, insert the tube from the sunroof drain, clamp everything down, and be done.
I would only add silicone to the black tubing that goes through the grommet in the floor.
Last edited by ILM-NC G37S; 09-01-2020 at 06:43 PM.
THERE IS NO DRILLING INVOLVED! Why make more work and potential aggravation for yourself? There is already a drain tube/hole in the floor. Use that one, don't make another.
All you need is a plastic "T" fitting, tubing, and some zip ties to clamp the tubing. You will cut the black tube that's on the floor (the AC Evaporator drain hose), insert the "T" fitting, insert the tube from the sunroof drain, clamp everything down, and be done.
I would only add silicone to the black tubing that goes through the grommet in the floor.
thank you all so far. But where do I cut the sunroof drain pipe ? Can I pull it out of the grommet ?
08-29-2020, 09:15 PM
