Factory sunroofs do have drain tubes that can get clogged causing leaks but they are easily cleaned out if you re aware of them.
Nissan titan roof leak driver.
Cutting a hole in the roof in my opinion has nothing to do with reducing structural integrity in a vehicle.
After investigating it turns out the drain tube had become separated from the nipple on the drivers side sunroof drain.
Look up nissan recall information from the past 15 years by entering your vehicle identification number vin.
Nissan usa official site.
I know for a fact that nissan has covered this issue on some of the first gen titan s.
All nissan did was glob on some black sealant it took them about 3 tries and then i had to fix it.
What i did was bought some factory paint in a tube with clear coat on top of the cab with your roof moldings off take the paint and follow the line to the rain channel and take some black sealant inside and outside of the rivets.
That seam sealer shrinks up and the paint goes with it.
After raining for a few hours i found water in the driver side floor mat.
Fit and finish is questionable at best and there are always issues with leaking.
Each trim in the titan lineup features eight standard air bags including front seat mounted side impact supplemental air bags and roof mounted curtain side impact supplemental air bags with rollover sensor.