I have a 2007 quad cab and I had been smelling this odor when I turned the heat on the floor. I figured it was something in my vents and I started to do some investigating. Found out it was the passenger side carpet smelling funky. Just figuring it was mildewed from the previous owner, I steam cleaned it and odo-banned it. I didn't pull the carpet up. This was about three or four weeks ago. It was a little chilly this am so I turned the heat on floor again today and the smell was back. This time I pulled the carpet up and the carpet was damp and the padding underneath was soaked. I let the truck air out for a full day when I steam cleaned it before and now I have the carpet ripped up and fans blowing on it but I was wondering has anyone had or herd of any issues with these trucks leaking anywhere? I work for safelite autoglass so I'll do a leak test on the windshield tomorrow, but its the factory glass so I doubt thats the culprit. Any info is great. Thanks guys!

 

Drain tube clogged, or windshield seal...

Do you have a sun roof?

 

No sunroof. And drain tube? Where would that be? lol