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Chevrolet Express
Platform: GMT Van

Headliner

Old Oct 29, 2025 | 1:09 PM
  #1  
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Default Headliner

Freinds, got a 14 awd cargo and a roof leak.
Water is collecting in that bump between the sun screens.
I would like to know what is in there in that bump.
I am not sure if it's condensate from the inside of the roof or the windshield gaskit.
But it's collecting in that bump and dripping down to the cup holders.
It's heavily modified with a bulkhead between the cargo area and cabin.
Ohh I am going to remove it and look anyway but thought I would see if anyone else has this issue.
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Old Oct 29, 2025 | 7:04 PM
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There's nothing behind that hump. I have a 2011 cargo with rear air in the controls are mounted on that hump but there's plenty of empty space back there.

I just had the headliner out a few days ago putting in sound deadening and insulation. There's not much to getting it out. The biggest pain is that the wires going to the cabin light are glued to it and you have to tear them off.

I didn't have to remove the trim on the b pillars by the seat belts. For the a-pillar by the windshield I just pulled it loose up top and left it connected at the bottom. Pulling them all the way out is a bit of a pain but the tops just pull away.

I have the cargo divider so I can only move the seat back so far to get the headliner out of the van. It was a little bit tight but it went when I tilted the seat back forward a little bit which let me slide the whole seat back.

I didn't see anywhere around the windshield where water could come in unless it's just rusted through. Could be coming in by the modified bulkhead and working its way forward.


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Old Oct 30, 2025 | 12:30 AM
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Sweet thank for the help.
I half looked up top.
They had some of the weather stripping for the windshield halfway boffed.
I just thought some auxiliary holes or something might be there.
Radio doesn't receive that great and wonder if there isn't an XM antenna hole there.
Was to lazy to take a look today.
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Old Oct 30, 2025 | 6:21 AM
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My 11 doesn't have any holes in the roof but my friends 22 has a shark fin antenna up front for something. If there's anything like that it could obviously leak.

Look at the whole roof too. Mine had an amber strobe on the roof in the rear with a hole for the wire. They "sealed" it with a dab of silicone sealer but it was letting a little bit of water in. I removed the light and patched the hole. If someone didn't patch a hole properly it could be carrying the water up front. Especially if you park on an incline.
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Old Oct 31, 2025 | 12:36 AM
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I didn't take the headliner out but I did put a bead of silicone adhesive along the windshield trim and along the lip edges on top.
No holes observed otherwise.
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