Hi, i noticed today when i got in my car at work to get home, that i had 2 spot of water on the pass side front. It seem to start from under the dash complete right ( right kick panel) and go accumulate next to the pass seat . It is not the ac because the water got there during the day car OFF (and it is not coolant).

I dryed it out and put water on the cowl area for 5 minutes I didnt realy noticed any BIG change but after 2 ou 3 hour of heavy rain i went back and noticed that water was back at the same amount befor i dryed it.

Is there anybody how had this problem before?
I read that there is a plug under the wiper cover grill (cowl) that get cloged very ofter on 2005 and more model... maybe?

My car is a 2003 Ford Mustang v6 3.8

Thanks to anybody that have information.

 

Heater core. You can temporarily by pass it by taking the two hoses on the top passenger side that go into the fire wall and making one hose. oR TRY SOME MECHANIC IN THE CAN. Stop leak the stuff that looks like it has rabit pellets in it. Don't go cheap and get the powder. Follow the directions. A lot of products do not work because people do not read.

 

no its not the heater core, im a mecanic and it is realy not coolant, it accumulate when it rain, im taking the cowl vent cover off today at the shop to go see if any pluf is clogged

anyone else got idead where it could enter ?

 

I finally found it ! I took off the cowl vent today and there where no drain plug under it on this model. So i was looking for crack on the cowl or windshield but nothing, i finally found the leak when i pulled the floor mat under the dash (without removing any trim). Those models have a drain tube trough the heater doc and pass trough the firewall to eject the water outside next to the passenger manifold (Very easy to see from engine bay and interior too)! There is the air doc connecting to the tube that is passing the firewall and there is the leak, the plastic is cracked ! It is a very bad design because it is next the the foots of the passenger all the time so if you have to brake hard or something happen and the passenger push his feet really hard to the firewall he will hit it and probably break it. That's what i think happened to the guys who had my mustang before!

Anyway I'm going to fix it tomorrow, hope this can help somebody because all i found on the web was on 05 mustang and later

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