Question about 2004 Acura MDX

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Leaking Acura 2004 MDX

I have the same problem when it rains the driverside and passenger side floors get saturated with water. I went to the Acura Dealership and they told me that this is a common problem with the mdx and what it needed was a buffer/bumper up under the car it would cost $600 for each side.

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To find this remove the wipers and and take all those pannel in that area exposing the bottom of the wind shield and have some poor water from to while you look and see where the water is coming in the vehicl''sometime is just a leak in the wind sealing'''hope this help''

Posted on Sep 12, 2009


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My mdx is a 2001. the rug in the front driver side and passenger side is soakiing wet, its been rainy lately but not sure if this is rain doing it or is something leaking from my engine?

This may sound a little gross, but put your finger in it and touch it to the tip of your tongue. If it has a real sweet tate, it is antifreeze. In this case, you need to replace your heater core. If it just tastes like rain water, then it could be Coming from the windshield, the roof, the cowl area, or even the passenger door. I did search for Technical Service Bulletins (TSBs) for your vehicle and found none pertaining to a known possible source of a water leak. Water leaks can be very frustrating when it comes to locating the exact source. You must just follow the water trail until you find the entry point.

Mar 13, 2011 | 2001 Acura MDX

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My passenger side floor is saturated with water when it rains. When I make right turn I hear what seems like water sloshing.

If you can smell a little bit of a sweet smell from the water on the passenger side floor, or if it has an oily film to it, you may have a leaking heater core.

They usually leak on the passenger side floor, and that might explain why you hear water sloshing around.

If you can run the engine for about 5 minutes and then turn your heater on. Look under the dash in the area where the dash meets the floor board and see if you can see anything leaking.

I hope this helps you.

Feb 16, 2011 | 1997 Dodge Caravan

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Heavy rain leds to water on drivers side floor

you might want to peel the carpet back and check for hole in the floor board. this is not something you can see just by crawling under to look at. Light has to pass through. Carpet pulls up easy from under the pedals, remove thebottom of the door jam like four screws and then you will know for sure.

Feb 11, 2010 | 2004 Acura MDX

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When it rains the driver and passenger side floor

If you are sure it's not the door seals, I would take it back to whoever replaced the windshield.

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Passenger side carpet wet after it rains in a 2003 Acura MDX

check the bulkhead area under the wipers. the scuttle panel has a drain hole & tube that ducts rain water away but can become blocked by dirt and leaves etc, then the water builds up and flows backwards over the edge and down the back of the dashboard via the bulkhead joints. A knitting needle or welding rod can be used to poke the hole clear then test by pouring a small amount of water through the grille beside the wipers and ensure it runs away and does not sit.

Also check your coolant level, if it is down then the leak may be from the heater matrix inside the car, this is more difficult to fix and needs the dashboard removed in a lot of cars.

The 3rd possibility is a leaking windscreen surround. Silicone would fix that, get the black stuff and put a thin bead around the outer edge of the windscreen rubber and smooth neatly with a wet finger or cloth.

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Passener side front carpet always saturated with water

Her is the problem. Sadly it is very common and hard to fix. Read this thread and you will have a few options on fixing it.

Jun 18, 2009 | 2004 Acura MDX

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2004 Acura MDX Water Leak

The 2002 MDX I worked on turned out to be a drainage problem . Seems the factory installed foam in the bottom of the hinge pillar post which blocked the drain holes . Take off the mud flap , remove enough of the splash shield to access the bottom of the hinge pillar and drill a half inch hole at the front lower corner aiming the drill slightly upward ( be sure to protect the bare metal) .Water gushed out when I did this. For extra ins. remove the kick panels and check for two holes a few inchs from the floor, plug and chaulk these holes. Hope this worksfor you too

May 26, 2009 | 2004 Acura MDX

1 Answer

2004 Acura MDX Water Leak

your sunroof has drians at each corner, make sure that they are clear and that they are drianing. they might be clogged.

Mar 16, 2009 | 2004 Acura MDX

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