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On my 1999 Sahara it was coming in from the fresh air vent and also behind the battery is the housing for the air intake fan, the seal at the bottom was leaking water in through the firewall and passenger floor. $6 black all weather silicone and I'm back in the water w/out leaks. For the air intake vent remove the cowl ( where the wiper motor is located and remove the air cover, you can replace the seal, I just made my own gasket with the silicone, reinstalled and resealed. For the fan housing I had to remove the battery and sealed the exposed seams between the plastic housing and metal firewall the original seal became porous and water would just leak in. Cost $6 and about 2hr of work. When removing the battery I found it easier to lift one end and insert a rope make a handle around the 4 sides to pull it up easier.

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โˆ™ 2011-10-20 17:02:43
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Q: Why would water be leaking under the dash on your 1997 sport after a long rain?
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Probably on the passenger side, under the glove box. The heater core is leaking, you should probalbly smell something sweet with the car running. That's the anti freeze.

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