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#1 Old 11-18-2012, 09:45 AM
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Leaking through dash?

Hello all, Newbie here,
First off - I did a search and found a couple of other threads that are addressing my issue, but none have mentioned their car leaking into the heater fan that i saw.
I have an 08 Accent hatchback, no sunroof. I am having water soaking the passenger floor board and getting into the heater fan. If I park on a side hill it actually drips out of the bottom of the fan motor, and you can hear it being sprayed inside it when going around a corner. Checked the windshield - seal is good, took off the cowling under it and everything was dry - including the filter for the fresh air, so it doesn't appear to be coming down through there. I even poured about 8 gallons of water down the windshield and into the run-off channel at the bottom of the windshield and nothing seemed to get into the fan or leak into car, however, by the time I drove it home 4 hours later, it was in the fan again. Is there some other way to for it to getting to the fan? It's not coming from the door side, as it is usually dry on that side when it first starts getting wet, but rather it stars from the left of the passenger foot well.
Any help would be appreciated.
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#2 Old 11-18-2012, 09:56 AM
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are you sure that the heater matrix is not leaking? are you loosing engine coolant?



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#3 Old 11-18-2012, 12:33 PM
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If the heater core was leaking there would be a definite coolant smell in the cabin. I'm not sure coolant would make its way to the fan.

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#4 Old 11-18-2012, 12:35 PM
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Check the condensation drain tube. If it popped off or got clogged by road debris, you can get water in the fan box, eventually overflowing as you describe.
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#5 Old 11-18-2012, 12:43 PM
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I am loosing engine coolant, but there are no leakings anywhere. Is it normal that it goes about 1/4 of an inch down in a half of a year?
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#6 Old 11-18-2012, 09:36 PM
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Any loss isn't normal but a 1/4 of an inch isn't that bad. A compression test on the cooling system would tell you where the leak is.

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#7 Old 11-20-2012, 05:42 AM
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Originally Posted by Montego View Post
are you sure that the heater matrix is not leaking? are you loosing engine coolant?
Definitelynot coolant. Has no odor or slipperiness. Just weird it could get into the fan housing.
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#8 Old 11-20-2012, 05:45 AM
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Originally Posted by And Don't Call Me Shirley View Post
Check the condensation drain tube. If it popped off or got clogged by road debris, you can get water in the fan box, eventually overflowing as you describe.
Condensation drip tube from what and where would I find it? This is a fairly substantial amount of water and puddled in the passenger floorboard once after about 4 days of rain. Also the car was nor being driven but one of those days.

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#9 Old 11-20-2012, 01:50 PM
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Does it still have warrenty? Maybe the dealership can do some troubleshooting for you.
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#10 Old 11-20-2012, 07:17 PM
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Originally Posted by Midnightroadie04 View Post
Condensation drip tube from what and where would I find it? This is a fairly substantial amount of water and puddled in the passenger floorboard once after about 4 days of rain. Also the car was nor being driven but one of those days.
The drip tube generally goes from the a/c evaporator housing out through the firewall to the open road. I can't recall exact placement in the accent. All air conditioned cars have one. The normal function is to allow condensation from the evaporator coil to drip outside of the car. Some also serve as drains for minor leakage into the air box. Since you were not operating the car, this is clearly not condensation, but it may still be a failure of the drip tube. In USDM cars, the tube usually exits the right side of the air box and passes through the firewall near where the passenger's toes are.
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