Leaking Inside

Discussion in 'Interior' started by RAWVORTEC, Aug 20, 2018.

  1. RAWVORTEC

    RAWVORTEC Full Access Member

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    Had a normal rainfall this morning, and I noticed when I opened my wife's door, the carpet was wet next to door. Front passenger side right where door and footwell meet. It was just in that corner. It's not like it was flooded. Something that causes this? I'll crawl under after it dries up.


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  2. SnowDrifter

    SnowDrifter Full Access Member

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    Clogged sunroof trains

    Coolant from heater core

    HVAC intake has a foam gasket on it that craps out sometimes

    Windshield seal (that was my leak, had to get a new windshield)

    Door seals
     
  3. 05YukonXL

    05YukonXL TYF Newbie

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    This was the culprit for mine.... dripped down from HVAC air intake under windshield.
     
  4. RAWVORTEC

    RAWVORTEC Full Access Member

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    [​IMG]

    So this is leaking inside. Where do I start? The whole rear carpet is soaked on that side. Is there a drain hole that gets clogged?


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  5. SnowDrifter

    SnowDrifter Full Access Member

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    Door seals
    Rear window seal
    Trunk seal
    Rear glass seal
    Rear heater core leak
    AC drain clogged
    etc

    Rule out the heater core - is it water or coolant?
    Look underneath where the pipes go into the cabin. There's a drain by it. Is it clogged?

    Pretty helpful to have 2 people. Shut yourself up in the back, have someone else hose the vehicle down. Find where it's wet and trace to the source

    If memory serves, the rear blower pulls from the interior air volume. The only connection to the outside is through the bottom. Unless you're driving through flood water, that wouldn't be it
     
  6. SunlitComet

    SunlitComet OBS Jedi-Do Good

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    Leaking after it rained should not be happening unless rain is getting in your distribution ducts and finding its way down into the box. But hat would mean likely leaks thru the sheet metal first. The evaporator drain would be likely pointed straight down so you can probably eliminate that as an entry point. the mounting points where the hardware mounting go is all on internal sheetmetal. So perhaps you have a window seal leaking into or on to and down the box or it is getting in your upper ducts some how. If it happens only when raining.
     
  7. RAWVORTEC

    RAWVORTEC Full Access Member

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    It just happened to rain that day when I noticed it. The issue was the rear ac condensation wasn't releasing out of the drip hole. For those that don't know, there is a separate hvac system for the rear seats. If you open the hatch, it is behind the piece of plastic to your right. It runs the whole length of the rear window(seen above in conversation). If you lay underneath the truck where the exhaust comes out, you'll see the hvac lines coming out of the bottom. You'll see a nipple-like piece of drip tube. Mine had become clogged with dirt, so I took a toothpick and cleared it out. Poured hot water around the inside unit, and kept cleaning it out. I cut the drip tube to be more open so hopefully this doesn't happen again. IMG_0119.JPG IMG_0118.JPG


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