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We have a 2014 Honda Odyssey Touring that is leaking from the front ceiling lights. Please see the attached video. We think it is the drain tubes for the sunroof but not sure. Any ideas on the cause and how to fix?
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We have a 2014 Honda Odyssey Touring that is leaking from the front ceiling lights. Please see the attached video. We think it is the drain tubes for the sunroof but not sure. Any ideas on the cause and how to fix?
that's a pretty good guess, since drain hoses are up front ,and rear of the driver.

headliner has to come out for easy access to the drain tubes.

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alternatively you could try removing the A pillar plastic and work at the hoses that run down the pillar.

have not done it, but that appears to be easier vs removing the headliner.
 

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If they are blocked by debris up top, you can often clear them with a zip tie, coat hanger, bit of welding rod, thin cleaning brush, etc. Open the sunroof and see what it looks like up there.

There's always a chance there is another issue, but definitely start with the drains.

-Charlie
 

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If they are blocked by debris up top, you can often clear them with a zip tie, coat hanger, bit of welding rod, thin cleaning brush, etc. Open the sunroof and see what it looks like up there.

There's always a chance there is another issue, but definitely start with the drains.

-Charlie
The drain holes are not easily accessible from the top.
I checked...
kind of a silly design.

Would recommend plastic being routed down those vinyl drain hoses, vs metal that could pierce it at the bends.

Ideally air pressure would be the least invasive, and pose the least risk to the drain tube.
Issue is getting at one end or the other of those hoses.

I have heard stories due to the high pressure of compressed air, blowing the hose off the nipple or downspout causing the water to leak inside the vehicle even more.

looks like a job that requires patience.
 

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another thought...
its possible the drain tube from the sunroof assembly has came off up front, which is why its leaking up front.

pull off the a pillar plastic cover on the passenger side, and trace the hose up into the headliner, should be able to get a hand in there to see if the hose is connected and dry.
 

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Would recommend plastic being routed down those vinyl drain hoses, vs metal that could pierce it at the bends.
If clogged up top, it is likely only right at the opening to the drain hose connection - no need to go all the way down. Weed whacker cable is often recommended if you are planning on going through the whole length of the tube mechanically.

I've seen cracked/broken/rusted sunroof housings/parts (on other vehicles) that cause similar leaks, but these vans are new enough that that should be unlikely.

edit: Also note that sunroofs ALWAYS leak, at least a bit. That's what the drains are for - it is designed to drain out when there is a leak. There should be a drain on each corner, so that no matter how the vehicle is parked there is a way for any leaks to escape without damaging the interior of the vehicle.

-Charlie
 
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