Question about 2000 Mercury Grand Marquis

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Water collection in the air conditioner. Drain is

Water collection in the air conditioner. Drain is plugged. (Evaporation Pan)

The Evaporator Pan in the Air Conditioner collects water and does not drain out, or evaporate. When you are driving you hear water scholshing around on the front right of the car.

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  • Anonymous Mar 17, 2010

    Thanks, but we tried the obvious; the coat hanger, Also, the service stations tried blowing any debris out of the drain line w/ their compressor hose; no luck. Can we drill a small hole in the "overflow pan" (?) under and behind the glove box?

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Chris Weber
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You need to clean the drain out as your first step. This is accessed by raising the vehicle on a lift then using something like a coat hanger pressed into the drain hole at the base of the firewall next to the transmission bellhousing on the passenger half of the vehicle.

Posted on Mar 17, 2010

  • Chris Weber
    Chris Weber Mar 17, 2010

    Yes you can drill a hole in the Evaporator case but this will not accomplish much since you will now have a floorboard full of water and a hole for it to always escape from. You may want to double check with a helpers ear that this is the origin and its not water trapped in the door or under the door scuff plate on the body.

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1 Answer

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1 Answer

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1 Answer

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