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post #1 of 15 (permalink) Old 05-20-10, 01:41 PM Thread Starter
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Question Wet Floor

Since I've had my car I've noticed a musty smell when it gets hot. today I was vacuuming out the car and when I noticed that the front passenger floor aria was soaking wet under the floor-mat. That's probably the source of the smell, but what caused the carpet to get wet?

It dosn't smell like anything, just water so I don't think its coming from the heater core.

I used a carpet cleaner machine to suck as much water out as possible,and left the floor-mat out and the windows open, so hopefully it will dry.

I think I read somewhere a while back that there is a drain somewhere for condensation, is that true and could that be the problem?



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post #2 of 15 (permalink) Old 05-20-10, 02:37 PM
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Re: Wet Floor

It can be the drain or even a plug in the firewall. The seal around the heater box can leak if it's been out and the seal not all the way in place.

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post #3 of 15 (permalink) Old 05-20-10, 04:18 PM Thread Starter
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Re: Wet Floor

I want to start with the simplest things first, so where's this drain located?
If its the heater box, that would mean I'm going to have to pull the dash right?


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post #4 of 15 (permalink) Old 05-20-10, 05:55 PM
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Re: Wet Floor

Here's a link to where it is. It's actually on the outside area. If it gets plugged, the water fills and goes in side the car. You can pour water inside the area below the windshield and wipers while someone watches inside to see it any gets in the car. Ford Crown Victoria Evaporator Drain Pictures

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post #5 of 15 (permalink) Old 05-20-10, 07:20 PM Thread Starter
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Re: Wet Floor

Thanks Bert, Its all coming back to me now. I remember seeing that page you linked to before. I'll have to check it out tomorrow before it rains.


1996 Mercury Grand Marquis GS ~89,000mi, Willow Green inside and out. It's very green.
1998 Chevrolet Malibu Base V6 187,000mi (sold)
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post #6 of 15 (permalink) Old 05-21-10, 11:08 AM Thread Starter
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Re: Wet Floor

okay, so I pulled the blower motor out and it was pretty clean in there, so I don't think that the drain is the issue. Although the blower motor looks like its been running non stop since 1996, the brushes are very worn.

Where should I look next? I'm trying to avoid having to pull up the carpet, but I feel like I'm going to have to in order to check on grommets in the firewall.


1996 Mercury Grand Marquis GS ~89,000mi, Willow Green inside and out. It's very green.
1998 Chevrolet Malibu Base V6 187,000mi (sold)
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post #7 of 15 (permalink) Old 05-21-10, 11:50 AM
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Re: Wet Floor

The water doesn't usually show up in the blower housing. You can use a mirror and look down inside the housing but you have to run water in the cowl to see if it drains.

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post #8 of 15 (permalink) Old 05-21-10, 12:12 PM Thread Starter
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Re: Wet Floor

I used the mirror to look in there, and it looks pretty clean. I'll go and try running water in the cowl now.


1996 Mercury Grand Marquis GS ~89,000mi, Willow Green inside and out. It's very green.
1998 Chevrolet Malibu Base V6 187,000mi (sold)
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post #9 of 15 (permalink) Old 05-21-10, 12:51 PM Thread Starter
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Re: Wet Floor

so after running water directly into the cowl, i saw it draining out under the condenser, so that ain't it. I'm thinking that it is coming from under the carpet, because if it was coming from above my rubber floor mats would be wet, and I've never noticed them being wet, just under them.

it's wettest directly below the power outlet that's on the bottom of the dash. I think that someone has been in there before, what I can see of the sound deadening without pulling back the carpet doesn't match the driver's side.


1996 Mercury Grand Marquis GS ~89,000mi, Willow Green inside and out. It's very green.
1998 Chevrolet Malibu Base V6 187,000mi (sold)
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post #10 of 15 (permalink) Old 05-21-10, 01:21 PM
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Re: Wet Floor

That's right, if it drained underneath, it's not the drain there. Have you looked under the car around that area? Make sure to use safety stands.

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