Water leak in cab

[matttupp84]

So I recently I have had a leak on the passenger side floorboard of my truck when it rains. I have found out where it is coming from but can't figure out how to fix it. Its come from around the AC box around the foam towards the bottom of the firewall. Just where the carpet begins. It's really aggravating. Anyone else had this isssue or heard or it? It only does it when it rains. But it's been raining alot lately. And for some reason when it's parked after a rain. And I get in it, as soon as I take off it comes rushing in. Like its gettig trapped somewhere then it comes rolling out. I'm so puzzled.

[Wishihadahonda]

I have the same problem. I had my windshield replaced recently and found some rust holes in the channel that the windshield seals in seams water was coming in and runnin under the pillars down to the floor board. Windshield guy wire brushed it and primered it real good then pumped a tube and a half of that gasket material laying it real thick in the holes i haven't had a problem since next time the windshield comes out it will be getting painted and the homes will be properly cut out and glassed... Hope this helps. Also chek all you weather stripping and upper trim


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[NoRalPh]

The lower corners of the windshield are prone to leaking. Take out the Glovebox and look up with a flashlight. You can puff some talc up there and hose it down to help maybe....

[matttupp84]

well thats sucks, i was hoping it would be a simple fix. Guess its time to trade in the ole 99' lol

[NoRalPh]

Originally Posted by matttupp84

well thats sucks, i was hoping it would be a simple fix. Guess its time to trade in the ole 99' lol

Because of a windshield leak?

Na, come on, if that's it just take it to a windshield repair shop and have them take it out and reseal it (like $100 maybe)

[Wishihadahonda]

Hell I paid 150 for a whole new windshield installed!


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[matttupp84]

I'm just kidding. Although i have been thinking about getting a new one. Is it possible for the windshield to be leaking and it coming in the truck where its coming in at? its at almost the bottom of the firewall. seems like if it was the windshield it would be higher up. But i really have no clue, thats why i'm asking.....

[matttupp84]

here is the leak

[NoRalPh]

Utt-Oh, you sure it's Water and Not Coolant?

If it IS just water maybe the Drain in the bottom of the Heater Core / Evaporator housing is plugged?

[matttupp84]

Well that's a possibility I guess. I was thinking it only did it when it rained but it's been raining almos everyday lately. Where is the drain? How can I check it?