Water Leak under Glove Box

[jonathancasey19]

All,

Please see attached. Any idea where this mystery water leak is coming from? I checked the A/C condensate rubber 90.

Thanks,

Jonathan

 

[FC5452]

Did you verify the drain isn’t plugged, I know you said you checked the 90, but did you check the passage?
If it doesn’t smell like A freeze it could be a widow or cowling seal.


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[catmenace]

Do you have a sun roof? Don't know about GMC but I had a new 2018 Ford F350 and had the same issue. There are drain tubes coming from the sunroof and one came off. Caused a major leak inside on the passenger side because the water came down the inside of the pillar.

 

[CarolinaHD]

Water might be collecting under the windshield cowl trim and draining into the blower motor inlet. Had the same issue on a 08 mustang.

 

[jonathancasey19]

Do you have a sun roof? Don't know about GMC but I had a new 2018 Ford F350 and had the same issue. There are drain tubes coming from the sunroof and one came off. Caused a major leak inside on the passenger side because the water came down the inside of the pillar.

No sunroof.

 

[NC-smokinlmm]

Use an air compressor to blow out drain for condenser, I'd use 10lbs or less, I cleaned mine out with a piece of Monel from a ballyhoo rigg... Lol...

 

[jonathancasey19]

Use an air compressor to blow out drain for condenser, I'd use 10lbs or less, I cleaned mine out with a piece of Monel from a ballyhoo rigg... Lol...

I'll give that a try, thanks.