Desperately need to find leak

[01YukonSC]

I don't remember the name but there is a spray that you can do through the vents that kills the mold smell and kills the mold as well. I have seen it at parts stores. Do some research before the dash teardown.

Are you thinking of Ozium? I've done that twice now, once since I've stopped the major leaking from the sunroof (the sunroof was also leaking as it was soaking the roof). Hopefully since I've removed the foam pad at the front passenger floor board it will take care of it. If not, may do the Ozium again since I've got the leak taken care of or may go ahead with pulling the duct work out.

The air's been better since I've taken the carpet and carpet pad out so I'm thinking this may be the last piece since that foam on the floor board was stained black with likely mold.

 

[the blur]

XM antenna. It's a $650 repair at the dealer. Very common.

 

[Matthew Jeschke]

I have never found the rubber foam stuff. mine desentegraded too. I had to clean it all out. I never put anything back in its place though.

That said, i think might be prudent to put dynomat there (or dynomat like insulation).

Also pretty sure that is your condensate line, at least that is easiet thing to check and quite common.

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[Matthew Jeschke]

XM antenna. It's a $650 repair at the dealer. Very common.

sorry for my bold reaponse. I'd tell the dealer to take a hike lol Is so easy to drop headliner and put some RTV there.

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[wjburken]

XM antenna. It's a $650 repair at the dealer. Very common.

Although the XM antenna is a common source for leaks, the OP did disclose in post #11 that he found the source of the leak as being a crack at the base of the windshield.

I would have to agree with @Matthew Jeschke that $650 would have put me over the edge as the part costs less that $200 and is easily replaced.

 

[the blur]

I'm just telling you what happens at the dealer. I'm not saying it's right, or wrong. But I know they replace XM antenna's on a regular basis for leaking.

 

[Matthew Jeschke]

I would love to delete my XM antanne. it's the older style off the rear window :/

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[BlaineBug]

My 2019 had a windshield leak at the very top on the passenger side since it was new apparently. Dealership removed window and a glass company resealed it. Said they found the original urethane seal to be distorted. Leaked down the A-pillar to the passenger side floorboard, but I also found drips on the dashboard too as well as water trails on the A-pillar plastic trim and handle too.

 

[Matthew Jeschke]

i wounder if a person could use food coloring (washable of course) to find the leak.

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[blackhammer52]

I've unclogged my sunroof drains. I've greased the seal. Now I've taped up the sunroof with flex seal. I've stripped out the carpet and carpet pad to treat for mold. Now we just had a strong rain and I've got a puddle on the passenger side.

The tape on the sunroof is good. The leak appears to be coming from under the dash, right behind the circular part that has the red arrow going to it. Where could this leak be coming from? Is it likely the windshield? I can't think of anywhere else to check.


Also does anyone know of any danger to removing the rubber and foam that is circled in red? The black plastic basically breaks apart with any contact due to age. Can I just remove it all? What purpose does the foam and black plastic serve? What is it called if I wanted to order new?

If I don't figure this out soon I think my wife will be ready to get rid of it.

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Sorry for the late response on this--on my '04, I had an issue like yours and it was in the door pillar under the windshield a-pillars. if you pull off the kick panel trim (where the hood latch is) and it's mate on the passenger side, you'll see a hole where the round metal tab that holds the kick panel in. in that cavity is a piece of foam--apparently over time, the foam adhesive gives up and blocks the path for water to run down under the truck. I basically used a dental pick to pull the foam out, which cleared the path and fixed the leak. I tested out (before/after pulling the foam) by using a hose on the windshield and watching the water bubble out of the hole, then having it go out without issue after removing the foam. I'll snap a pic of the area and post it, if you need a better description of the area I'm talking about.