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Sunroof Clog - Not covered under warranty?

29101 Views 45 Replies 29 Participants Last post by  anon
Long story short - Water got into our 2016 HR-V and it's from the sunroof drain being clogged with leaves. Dealer says it's "mother nature" and won't be covered under the warranty. Honda customer service said it should be.

Anyone have experience with this issue?


Nothing in the manual says to check the sunroof drain regularly as part of the maintenance. They had to remove the roof liner to even fix it. They basically told us to not park under trees as if nobody does it.

Meanwhile our Civic that has been parked under the same tree for even longer has never had an issue. I've never had someone tell me to check my sunroof drain nor have I ever seen it in our owner's manual.

Am I crazy thinking the dealer is wrong? We're waiting to hear back on what the Honda case manager says but I'm worried it won't be covered and we'll have to foot the bill.
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In the strictest sense of things, it should not be covered. Because it's an environmental factor versus a product defect. However a good dealer probably should go ahead and use his goodwill policy and cover it.....…And if Honda corporate is telling you that it should be covered, then they should call the dealership, give them the warr authorization ok # and square that away for you.
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In the strictest sense of things, it should not be covered. Because it's an environmental factor versus a product defect. However a good dealer probably should go ahead and use his goodwill policy and cover it.....…
I can certainly see that angle. Maybe I'm just oblivious but I really have not heard of having to regularly clear a sunroof drain.
For those reading - Honda came back and said nevermind, it's not covered because of the leaves.

$1800 to fix. Don't park under trees or check your drains often if you do.
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Wow, $1800. I would definitely get other opinion/quote.
I've never heard of a sunroof drain. Do you park with the sunroof tilted/open?
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Wow, $1800. I would definitely get other opinion/quote.
Would another dealer just give us the same result? They're giving a 50/50 split so we will pay $900.

I've never heard of a sunroof drain. Do you park with the sunroof tilted/open?
Nope, it's pretty much always closed even when driving.
If you have a trustworthy nearby mechanic or Honda dealer, it wouldn’t hurt to shop around.
Can you take a picture of exactly where the drain is? I don't understand if the roof is completely closed and slammed down shut, how leaves can get in there and cause a problem. If you take a picture and you don't know how to post it here , you can send it to me and I will post it for you…

If it were me and I was faced with this situation, I would probably clear flex tape the roof shut, temporarily, until I figured out what I was going to do.
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There are 2 drain for the sun roof- seen in the part pics here. the drain any water that seeps past the rubber seal witht he roof and gets caught within that " catch pan" and does not let any water get into the cabin,
I would assume those hoses dump the water out in the 2 wheelwheels.

I had clog in one, with my 2007 civic - used hot water and soap to flush it out carefully.

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How to Unclog a Sunroof Drain

The sunroof drains are an aspect of your car that you probably rarely, if ever, think about. Though the sunroof is sealed to keep most moisture out, some moisture and water does come in through the gap between the sunroof and the car itself. The moisture is then drained out of the vehicle through the sunroof drains, which run from inside the roof area and exit somewhere else. If the drains become clogged, it can make your interior smell musty and eventually create a major problem. Your car’s sunroof drains should be cleaned regularly.

1. Locate the drain holes. Depending on your vehicle, the location of these may vary, though the front drain holes in most cars exit in the doorjamb or under the car. The rears may drain under the rear bumper or the top of the rear hatch jamb area. Consult a workshop manual for your specific model.

2. Clean off any dirt, leaves and debris around the drain holes. Twist and squeeze the rubber ends of the drains where they exit the car. This should let out some of the trapped water and debris that is stuck in the drain.

3. Open the sunroof all the way so that you can see the drain holes. Test the flow of each drain by pouring a small amount of water (about ¼ cup) down the openings of the drain where they are located near the sunroof. These should be self-evident and located in the front and rear corners of the sunroof area. Check to see if the water is flowing out of the exits for the drain holes.

4. Blow compressed air into the drains if there is no water coming out of the rubber drain exits. If the water still does not drain out, use a piece of flexible wire to snake it down the drain hole to dislodge the debris. Twist and squeeze the rubber ends of the drain to help release the dirt and debris. Pour another small amount of water down the drain once it is unclogged to rinse it out.

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I would think a car in the 21st century would be able to handle some leaves. This should definitely be handled in the warranty.
I leased one civic for 3 years. And a second civic for 3 years.

Then I bought this HRV.

The issues I've had and the way the dealer lied and treated me... Will double up payments, pay this POC off, and get a nice ride in couple of years.

Will never deal with Honda again.
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I would try one or both of these:

Try to get a wire into the front drain from above OR pressurise the front drain from below with a big water filled syringe (if you don't know a nurse who sees them discarded daily (unused) from medical trays, buy one at a horse veterinary shop).

You might also try a wire from below...use SS wire
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Late to the party here but I had an identical issue with my 2017 HR-V EX AWD this past week. The leak shorted out the fuse box causing a variety of problems. After pushing back on Honda the fuse box replacement and internal water damage to the vehicle was ultimately covered under the manufacturer's warranty.

I'm not sure if this is an ongoing issue with these vehicles but it seems that Honda is now covering these fixes.
Not just Honda. Any car with a sunroof that is not well maintained will leak. There are cases where the drain line was pinched during assembly.
Einz- What is involved with maintaining a sunroof? I am ignorant here.
I had one on my 1995 Subaru and did nothing to it- never had a problem.
sometimes leaves will clog the drain holes. Find out where the drain holes are and look at them when you wash the car. I never had issue with my cars' sunroof then I don't park under a tree and all have been garaged.
Thanks- Mine is in a garage when not being used.
I rarely open the roof- only keep in vented position, so doubt leaves can get in. I don't need to lubricate or anything like that?
No, unless you hear noise from the tracks. I really use mine
Also late to the party. I have a 2016 hrv and the same problem happened and debate ensued. Finally Honda said they would cover the cost but I can’t find anyone who knows how to check the drains moving forward. Also they had to remove all the lining of my roof and glued it back on so poorly their are glue stains everywhere. Very unimpressed
I will be getting a new non Honda when I can afford it as I feel it’s a ticking time bomb.
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