How a Sunroof Works

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Published 2019-09-09
Here's how the sunroof/moonroof mechanism works to allow sunlight into your car's interior.

The sunroof is a body colored metal panel on the car's roof that tilts. A moonroof is a transparent window located on a car's roof that tilts and retracts into the car's body. It allows the entry of light into the cabin, an open air feeling when retracted and the ventilation of air when tilted.

The sunroof/moonroof is comprised of the tracks, water channels and tubes, an electric motor with a gear train, spiral cables and a 3-bar linkage that allows the sliding and tilting of the roof into the car's body.

This video shows the process of removing the headliner to access the sunroof and the full disassembly of each component to see what's inside and how it works. Vehicles with failed, broken, leaky or stuck sunroofs require a similar amount of work to be performed to access failed components, often with exorbitant labor costs due to the way it is compactly packaged.

The vehicle in this video was a 2004 Infiniti G35 sedan.

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Torx key sets:
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Metric socket set:
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Brother's Toothbrush:
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This is the Camera I use:
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Link to Etsy shop where you can purchase speedkar99's brother's socks, t-shirts or hoodies:
www.etsy.com/ca/shop/Speedkar

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All Comments (21)
  • He is the only you tuber who go in such length such as to use his and his family’s personal belongings to explain and share some science knowledge with his viewers and that is uniqe. 🙏🙏🙏👏🏽👏🏽👍👌
  • @kurtissmith1348
    You saved my life, this old shade tree mechanic would have been destroyed. Will obviously take my car to a proper place to fix. You are a surgeon and autopsied that sunroof with expertise. Thank you so much.
  • @pierrebnc4290
    Excellent video and just crisp as it should be - I'm tired of Youtuber spending hrs to explain how to unscrew a screw... You go straight to the point, quickly and efficicently and if we need to pause, well, let's just pause... No time lost, precised pictures. I love that... Thank you for that.
  • I appreciate the effort it took to remove the sunroof and disassemble in such detail. Great Job!!
  • @lol_youtube
    This truly is the best teaching video I’ve seen. -Incredible efficiency -No wasted seconds -Detailed and comprehensive breakdown -Easy to follow -Managed to explain some of the mechanisms in layman’s Amazing job! This guy even has jokes if you’re listening closely! Subbed.
  • I must compliment you on a precise, methodical video. Unlike others videos that are commonly long winded, your video is excellently edited to be informative and perfect for the layperson but witty too....BRILLIANT!
  • @carsonp.7009
    Your efforts are commended my man! Hopefully you understand the magnitude of how you present your information with such brevity but with the precision and patience of a monk. Thank you!
  • @zaker600
    I was wondering how my sunroof worked like with draining and stuff and you explained awesomely. I, as well as thousands of people appreciate your clear explanation :)
  • This is how videos are supposed to be! No BS! Straight to the point!! Awesome!!
  • @patrickstone7
    This is a fantastically narrated and produced video. Thank you so much for doing this. It helped me repair my father's SUV.
  • wow you made a amazing video thank you so much! no click bait at all. this is how a how it works video should be !!!
  • @iam2bear
    Your humor (especially about using your brothers toothbrush) was delightful! Thank you so much for your time.
  • @jamesrooks9284
    I'm having an issue with my CR-V sunroof. This answered a lot of questions for me. Thanks you souch. Good demonstration.
  • @hax0rz100
    Another great video. Many people dont know how to take apart a car to the same length you do and explain how the mechanics work on the inside.
  • @h.camacho4800
    Very thorough, informative, accompanied by some humorous remarks. I give it a 9.9 Outstanding