Fixing Ford Mustang Water Leak - Free Solution

Overview

If you’ve ever had to bail buckets of water from your Ford Mustang’s passenger floor after every rainstorm, this video is for you. I show you the free fix for the notorious 2005+ Mustang water leak issue. The culprit? Clogged drain plugs beneath the windshield cowl that prevent water from draining properly. Instead, it backs up and pours through the cabin air filter directly into your interior. The solution is simple: remove debris from the drain holes and your problem is solved.

Key Moments

• Discovering buckets of water flooding the passenger floor after rain
• Removing the windshield cowl panel to access cabin air filter
• Finding the clogged rubber drain hose beneath the cowl
• Clearing the blockage with fingers - debris completely clogging the drain
• Testing with water to confirm proper drainage
• Treating the carpet with bleach powder to prevent mold
• Applies to 2005+ Ford Mustangs with similar design

Full Transcript (Edited)

Okay, so I want to show you something. This is my 2006 Ford Mustang and right now I’m working on a huge water leak. Basically there was a ton of water that was entering into the car and I got two buckets full of water from here several times when it rained.

Right now I have a bunch of bleach powder on the floor here to kind of kill off any mold that could potentially grow. I didn’t see any mold but just in case. The water was basically coming in through here and puddling, and it was like literally like two buckets. I have the carpet out here, it’s fully dry already. This basically soaked up water like a sponge. So I’ve had a couple several days of sunlight hit this and it’s dry. I’m still gonna wait probably a couple more days before I put it back into the car.

But let me show you where the leak was coming from. So this is the cabin filter, and in order to get to that cabin filter I had to take off this panel up here, which was actually fairly straightforward. This panel is actually divided in half. If you take off the clips on the bottom, then you can lift it out like that, and then you can access the cabin filter, which is this guy. And it’s disgusting, so I’m gonna change it.

I took that out and immediately I suspected that that was where the water was coming in through. What I did was: this was really dirty down there, so I put water down there to simulate rain. And what I noticed was the water wasn’t going down. So I put my hand in there and I found that hole. It’s a rubber… you can see down here, let me see if I can get a nice shot with my camera. You see that moving down there? That’s the hose.

Basically, water when it builds up in there, it’s supposed to go down that hole. That hole was completely clogged up. So I stuck my finger in there and I unplugged it. Let me see if I can get a better picture for you. I unclogged it and then I poured water into this entire area to clean it up. And now I’m drying it out.

And that was it! The water was basically building up in this channel and then pouring into the cabin filter and filling up the interior of the car. And that’s a real big problem because imagine driving around with water gushing everywhere. That’s not pretty, that’s not good at all.

So I’m looking forward to putting this back together, putting the interior back together, and not having this issue again for a while. All right, hopefully that helps you. Let me know!