Water leak into driver side, from AC? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 04-18-2004, 01:24 AM   #1
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Default Water leak into driver side, from AC?

I have a water leak into my driver side floor that seems to be coming from my AC. I just cant find where its coming from. Is there a drainage hole i can unplug in the ac or something?
1997 sse 132k

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Old 04-18-2004, 02:18 AM   #2
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Your condenser will get condensation on it during hot days whenever it'* turned on. It goes on when you turn it on, when rear defrost is on, or at freeway speeds.

Open the hood on a decently warm day 75*+ if not higher, and look at the condenser by the maxifuse area. It should look like a fat man after a marathon.
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Old 04-18-2004, 03:34 AM   #3
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That'* all on the other side of the car. I can't think of what might be on the driver'* side that'd leak.

One of our Guru'* will probably know right off. Keep checking in....
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Old 04-18-2004, 10:11 AM   #4
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Default Water leak into driver side, from AC?

Why do you think it'* from the AC.? Does it only leak when you are running your air conditioner. Give us more information. Can you see where the water is entering inside, did you check for leaks in the weather striping around the door and windshield, do you have a sun roof?
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Old 04-18-2004, 01:06 PM   #5
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it only seems to come when i use the ac alot. I have a sunroof but it doesnt look like its coming from there. I think its coming in from the engine bay somewhere.
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Old 04-18-2004, 01:21 PM   #6
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Unless you have a hole in your firewall, forget most sources in the engine bay. Your condenser core box has a drain hole on the passenger side, and it may be plugged. It can fill with water and spill out the vents. Is the inside of the driver'* heat vent moist?

Your sunroof also has drains that come down the front A-pillars. If the drain tube is disconnected at the top of the A-pillar, water can drip down the inside of the pillar trim and drip out the bottom on the driver'* floor pan.

You may also have some leaf/debris buildup in the pocket at the bottom rear corner of the front fender, causing water to wick inside through the door seal. You should be able to see this with the door open.

The first two are the highest odds.
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