Sun roof leak or somewhere else?
2nd Gear
Joined: Oct 2013
Posts: 2
Likes: 0
From: Balmer, MD
Its been pouring over the last couple weeks and I have noticed the headliner getting wet right along the passenger side bottom edge. In the picture you can see the discoloration from being wet. Is this from the sun roof or could it be from the upper edge of the gutter to windshield juncture? I was under the impression that if it was a stopped up sun roof drain that the leak would be higher up close to the actual sun roof. The only place wet is just along the bottom edge. Thanks!
Recovery Vehicle
Joined: Jun 2012
Posts: 1,080
Likes: 57
From: Queens, NYC
You need to seal the surface between the sunroof and the roof of the truck. The seal dries and cracks, letting in a ton of water. More than the drains can deal with. End result is a wet headliner.
Take the sunroof out (remove the drain tray, then push the sunroof up through the opening in the roof), clean all the surfaces, apply a healthy bead of clear RTV, and reassemble.
Take the sunroof out (remove the drain tray, then push the sunroof up through the opening in the roof), clean all the surfaces, apply a healthy bead of clear RTV, and reassemble.
Baja
Joined: Aug 2013
Posts: 5,845
Likes: 368
From: Near Bordeaux, France
D2 sunroofs are very common for leaks even LR knew about it years ago and there is an internal LR bulletin on the subject. Many sunroofs leak due to the mastic seal breaking down where the frame is bedded into the metal roof and the only sure way to fix this is to remove the headlining and sunroof and re-bed the frame onto new marine or auto high quality mastic. The rear sunroof is a bigger pain if you have rear aircon as I do as you have to drill out pop rivets and remove and then later refit the aircon ducts. It's the only way the remove the rear sunroof frame. The other common leak is the cheap plastic drain sumps attached to each sunroof drain frame that has the drain tube attached. The adhesive breaks down and leaks or the small tubes break off which have to be glued back with 2 pack adhesive such as Araldite. It's the same procedure in both cases to ensure you stop the leaks. If you are doing the latter fix you might as well re-bed the frame at the same time. You need to do this job inside a garage or barn if it's likely to rain. When you re-bed the sunroof frame ensure you clean off all of the old mastic and clean the sunroof aperture well with a spirit but ensure everything is clean and dry before re-sealing with mastic. It'll take you a full 8 hour day for both sunroofs or 6 hours for the front only. Have fun and make sure the wife brings you plenty of food and coffee. Good luck.
Mudding
Joined: Jun 2011
Posts: 119
Likes: 0
D2 sunroofs are very common for leaks even LR knew about it years ago and there is an internal LR bulletin on the subject. Many sunroofs leak due to the mastic seal breaking down where the frame is bedded into the metal roof and the only sure way to fix this is to remove the headlining and sunroof and re-bed the frame onto new marine or auto high quality mastic. The rear sunroof is a bigger pain if you have rear aircon as I do as you have to drill out pop rivets and remove and then later refit the aircon ducts. It's the only way the remove the rear sunroof frame. The other common leak is the cheap plastic drain sumps attached to each sunroof drain frame that has the drain tube attached. The adhesive breaks down and leaks or the small tubes break off which have to be glued back with 2 pack adhesive such as Araldite. It's the same procedure in both cases to ensure you stop the leaks. If you are doing the latter fix you might as well re-bed the frame at the same time. You need to do this job inside a garage or barn if it's likely to rain. When you re-bed the sunroof frame ensure you clean off all of the old mastic and clean the sunroof aperture well with a spirit but ensure everything is clean and dry before re-sealing with mastic. It'll take you a full 8 hour day for both sunroofs or 6 hours for the front only. Have fun and make sure the wife brings you plenty of food and coffee. Good luck.
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