Question about 2000 Ford F250 Super Duty Crew Cabs

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Water in the cab from under dash passenger side

2000 F250SD V-10 is collecting water somewhere behind the dash forward of the firewall. When the deck angle of the truck changes the water drains into the passenger side floor. Sloshing water can be heard when turning corners. I suspect a rain water drain is plugged somewhere but cannot locate it.

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  • rogerskc Dec 03, 2008

    Spent long time on the creeper trying to find the drain. No luck. How would rain water get into the A/C plenum?

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  • Ford Master
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The condensation drain is plugged in the heater/AC plenum, the drain is under the hood at the very bottom of the firewall on the passenger side.
PLEASE RATE THIS INFO

Posted on Dec 02, 2008

  • yadayada
    yadayada Dec 03, 2008

    Rain water doesn't ge into the drain, condenstaion from the ac evaporator core does, frost forms on this core whenevere the ac or defrost is on, it drains into the heater case, that's why there is a drain, I am a Ford dealer technician and I have cleared many of these drains in trucks like yours, I gave you the exactly the right info to repair your problem, you gave me a THANKS FOR TRYING, Check again, it is a very short tube 1/2" in diameter, you may be able to see it at the bottom of the air box inside the truck on the passenger side.

  • brick_mason_
    brick_mason_ Dec 28, 2012

    same with mine, 2004 f150, swooshing sound, but drivers floor is wet. is the drain inside the cab or engine bay?

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