Sunroof Drain Tubes - JeepForum.com
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post #1 of 31 Old 06-04-2015, 06:45 AM Thread Starter
Kduniverse
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Sunroof Drain Tubes

Does anyone know where the rear tubes exit to? I cannot find where they come out. It's nearly impossible to see where they start at the sunroof, but I thought for sure I'd be able to find the other end near the wheel well somewhere. Any ideas?

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post #2 of 31 Old 06-04-2015, 09:19 AM
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Pour water in and look for dripping? Or are they clogged and you can't find the openings?

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post #3 of 31 Old 06-04-2015, 10:03 AM Thread Starter
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Quote:
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Pour water in and look for dripping? Or are they clogged and you can't find the openings?

Judging by the amount of water pouring out of the headliner after a good rain, I'm guess they're that clogged. I can't even see the opening on the sunroof side.
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post #4 of 31 Old 06-04-2015, 11:44 AM
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These diagrams are from the 2011 parts book, there may be better ones on line.

Looks like two tubes maybe on the drivers side, one exits near the top of the rear wheel well, the other probably the front wheel well.. but hard to tell. You may have to remove the felt liner to see the outlets.
Attached Thumbnails
Drain 1.jpg   drain 2.jpg  

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post #5 of 31 Old 06-04-2015, 01:14 PM
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The drain tubes exit to grommets in the front and rear wheel well openings. You can't see them because they are behind the felt fender liner (just like Cold Case stated). If you want to see where they exit, park the vehicle on dry pavement, and one corner at a time pour water into the corners of the sunroof trough, with the sunroof open. Observe where the water drains. If you have a plugged drain don't use compressed air to clear it out ... you might blow the hose connector off the sunroof, which will cause the water to drain on your headliner.

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post #6 of 31 Old 06-04-2015, 01:22 PM Thread Starter
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Thanks for the replies. I did see grommets when I pulled back the wheel well liner. But I also saw a hole that appears to show some spray insulation. So behind the grommet should be the end of the tube? Awesome, thank you.

The fronts are a bit easier to see. I wasn't able to pull apart the cowl and drain troughs, but with a little maneuvering, I can see the hoses coming through the firewall.

Thanks again,
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post #7 of 31 Old 06-04-2015, 02:20 PM Thread Starter
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Popped off the grommet in the front side of the rear wheel well, more insulation behind it. Would it be possible if the drain was just covered with insulation? Or am I still in the wrong location?
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post #8 of 31 Old 06-04-2015, 02:47 PM
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There should be a hole in the drain tube grommet. When you pop it off. the tube will come with it as its attached. The rear may be at the very top of the wheel well. I'm not sure I'd be popping grommets. Dunno how much slack there is in that tube.

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post #9 of 31 Old 06-04-2015, 03:30 PM Thread Starter
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I didn't see any other grommets on the driver side rear wheel well. I looked under the car, behind etc, cannot find this thing. I did find the leak detection pump filter flopping around. At least I got to reconnect that. Wouldn't this grommet have some sort of opening in it to allow the water out?
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post #10 of 31 Old 06-08-2015, 07:06 AM
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Quote:
Originally Posted by Kduniverse View Post
I didn't see any other grommets on the driver side rear wheel well. I looked under the car, behind etc, cannot find this thing. I did find the leak detection pump filter flopping around. At least I got to reconnect that. Wouldn't this grommet have some sort of opening in it to allow the water out?
The sunroof drain tubes exit at the rear of the front wheel housings, and the top of the rear wheel housings. If you are having a hard time finding them, remove the fender liners and pour water onto the four corners of the sunroof tub with the sunroof open. Look for where the water comes out.

Yes, the grommet will have a hole in it.

Roy
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post #11 of 31 Old 06-08-2015, 11:45 PM
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whats the best way to clean them if you aren't supposed to use compressed air?
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post #12 of 31 Old 06-09-2015, 05:22 AM
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whats the best way to clean them if you aren't supposed to use compressed air?
X2. I keep mine parked out 24/7. Would like to keep them clean before they get clogged.

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post #13 of 31 Old 06-09-2015, 06:06 AM Thread Starter
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Quote:
Originally Posted by 2kg4u View Post
The sunroof drain tubes exit at the rear of the front wheel housings, and the top of the rear wheel housings. If you are having a hard time finding them, remove the fender liners and pour water onto the four corners of the sunroof tub with the sunroof open. Look for where the water comes out.

Yes, the grommet will have a hole in it.
My front tubes drain through the firewall, a few inches below the cowl cover. The rears, I did not notice at the top, front or rear of the rear wheel well. Although I only checked the driver side... Any images or illustrations?
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post #14 of 31 Old 06-09-2015, 07:33 AM
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Quote:
Originally Posted by n666z View Post
whats the best way to clean them if you aren't supposed to use compressed air?
You carefully fish a cleaning wire through the tube if blocked (or take the interior apart), otherwise flush with water.

I just got lost in thought. It was unfamiliar territory;
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post #15 of 31 Old 06-09-2015, 12:41 PM
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They usually (from the ones I have worked on, not on a JGC) plug up at the bottom where they exit at the grommet. Sometimes a piece of pipe cleaner is sufficient to clear the blockage.

Roy
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Fumoto Qwikvalve, Ionic CXV running boards, Michelin X-Ice Xi2 snow tires
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