How to Unclog Your Car's Sunroof Drain! Fix Vehicle's Water Leak with Air Compressor - by DIYNate

DIYNate shows how he stops his Jeep Compass from pouring water in from the dome light and from the sides of the door with this simple and straightforward sunroof drain declogging process using an air compressor and a curved nozzle.

In this video, DIYNate shares his simple approach (after trying a variety of other solves, and getting some pointers from a mechanic friend) to clearing out a problematic sunroof drain. Often times, people will see water coming in from their dome lights or from the side pillars in your car. In DIYNate's case, this has been a regular problem with his 2008 Jeep Compass Sport. To solve this, he follows the below steps:

• Test your sunroof drain with cup of water / funnel to see if both sides or one side are clogged (look to see where the water pools and where water is draining).
• Look underneath the car around the door area where the sunroof drains empty. If the drain is clogged, you will see very little water coming out.
• Then, take an air compressor with a bent / curved gun nozzle and find the sunroof drain holes (warning, your mileage may vary; DIYNate is not a professional mechanic; make sure to take precautions for safety and you may want to have some type of cover or towels down on the interior to avoid a mess).
• Next, shoot the air down the drain holes that seem to be clogged and see if the compressed air will unclog the drain.
• Finally, pour some more water into the drain and see if water is now draining smoothly or if you may need more compressed air and repeat the process if it is still clogged.
Note: Getting the bent / curved shaft into the drain hole and forming a good seal can be a little tricky. Often, compressed air in the hole will be enough to force the drain to unclog, you may have to try and keep air from escaping.

In the video, you can see the sunroof drains unclogging after compressed air is shot through them and the weep holes at the bottom draining the water after the fix. Depending on your area and where you park your car, you may have to repeat this process annually or on a somewhat regular cadence because sunroof drains do clog.

As with all DIYNate projects, this is meant to be informational and to help with the idea process. DIYNate assumes no risk or liability for damage, injury, etc. and this approach is simply a shared concept and illustration.

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DIYNate

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[DIYNate]

Please let me know if this video helped you clear your sunroof drain - would love to hear about it in the comments!

[DonnaVa-lw]

90% rain here in FL. today...I will most definitely give this a try on my car. Thanks for the video

[MrJorgvankleef]

Did your tip in my 2008 Patriot and works perfect! I do now every few months greetings from overseas France, Dordogne 👋

[g]

will compressed air in a can be powerful enough to unclog it ?

[bev]

Can you put the link or tell me the name of the air compressor machine this my first time about to buy one please I am having the same problem with my car

[tcfrisby]

IF, , You have a digital radio ie, $700 one, I highly recommend to cover it up so water won't come out and ruin it like it did mine 3 days after i bought it.

[bradynbassett]

Im hoping it's just as easy for someone like me who hasn't run a wire through it in the past. Wish me luck, I'm gonna have to get air compressor out of storage. I'm mostly worried about the sunroof switch. Poor design.