I apologize for not getting back to you guys about this. I went to the dealer three times and they had my Suburban for three of the four weeks right after I purchased it. That was really frustrating; the last time I went in with video of the leaks and they took me seriously.
I'm not very good at explaining things so I took some pictures to help.
I was told that one drain at the rear of the sunroof was kinked causing the water to back up and not drain. The water then collected and built up in the headliner, sloshing around and gushing out when I backed out of the driveway and started driving. Take a look at these pics, I hope I explain so it makes sense.
Pic 1 - This is the slope of my driveway and the green circle is where the replaced drain is located. Parking uphill caused the water to pool in the back. By the way, this issue only happened when pulled in, if I backed into my driveway I had no leaks.
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Picture 2 -This is from the dealer while they had the headliner out. The green drain line is kinked up towards the roof instead of draining down. Somehow this caused the water to back up, I guess there was too much water trying to drain and no air could escape thus causing the water to back up and overflow. Pic says "upward link", should be "upward kink"...fat fingers
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Picture 3 - Don't mind the baby, that's my little helper
This is a view from directly above (passenger side). Circled in red are two of the many drains from the sunroof channel, that for some reason I don't understand drain from the channel to inside the vehicle. These allow the collected water to get into the space above the headliner.
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Picture 4 - This view is from the passenger side, standing on the running boards. This is a side view of the drains from pic 3, look at the left drain and you can see the headliner through the opening, underlined in blue.
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Picture 5 - This is from inside the vehicle, sitting in the driver's seat looking up above the passenger. Circled in red are the same drains from pics 3 and 4. It's hard to tell but the drains are under the weather stripping and above the headliner. If you get a hose and run it in the sunroof track you can see how the water leaks from the track into the space above the headliner.
![Motor vehicle Bicycles--Equipment and supplies Automotive lighting Light Bicycle handlebar]()
So, that's what I found out about the issue, and it seems to have worked. I live in NJ and we get a lot of rain, there have numerous storms since the repair and I have had no issues. I hope this helps.
I'm not very good at explaining things so I took some pictures to help.
I was told that one drain at the rear of the sunroof was kinked causing the water to back up and not drain. The water then collected and built up in the headliner, sloshing around and gushing out when I backed out of the driveway and started driving. Take a look at these pics, I hope I explain so it makes sense.
Pic 1 - This is the slope of my driveway and the green circle is where the replaced drain is located. Parking uphill caused the water to pool in the back. By the way, this issue only happened when pulled in, if I backed into my driveway I had no leaks.
Picture 2 -This is from the dealer while they had the headliner out. The green drain line is kinked up towards the roof instead of draining down. Somehow this caused the water to back up, I guess there was too much water trying to drain and no air could escape thus causing the water to back up and overflow. Pic says "upward link", should be "upward kink"...fat fingers
Picture 3 - Don't mind the baby, that's my little helper
This is a view from directly above (passenger side). Circled in red are two of the many drains from the sunroof channel, that for some reason I don't understand drain from the channel to inside the vehicle. These allow the collected water to get into the space above the headliner.
Picture 4 - This view is from the passenger side, standing on the running boards. This is a side view of the drains from pic 3, look at the left drain and you can see the headliner through the opening, underlined in blue.
Picture 5 - This is from inside the vehicle, sitting in the driver's seat looking up above the passenger. Circled in red are the same drains from pics 3 and 4. It's hard to tell but the drains are under the weather stripping and above the headliner. If you get a hose and run it in the sunroof track you can see how the water leaks from the track into the space above the headliner.
So, that's what I found out about the issue, and it seems to have worked. I live in NJ and we get a lot of rain, there have numerous storms since the repair and I have had no issues. I hope this helps.
