Passenger side water leak - Chevy Cobalt Forum / Cobalt Reviews / Cobalt SS / Cobalt Parts
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post #1 of 12 (permalink) Old 03-29-2014, 05:38 PM Thread Starter
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Passenger side water leak

Ok I know I've seen something on this before, but I can't find it using the mobile app search. I just noticed water dripping steadily for under the passenger side dash. Its coming frrom a black thing.. I think something to do with the AC? It looks like it is coming from where wires plug in.. or flowing down onto them. I had the fan blowing but the AC wasn't on. And it was still dripping when I turned everything off.. even the car. It is raining out and has been all day but it only started dripping within the last hour. Is there a drain plug that could be clogged and causing this? Here is a picture of where it's dripping from.

[IMG][/IMG]

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---------- Post added at 04:38 PM ---------- Previous post was at 04:37 PM ----------

Also it is water dripping H2O.. not coolant

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post #2 of 12 (permalink) Old 03-29-2014, 06:06 PM
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Yes, clean the drain tube, it is probably full of leafs bugs and all sort of debris. Bottom of firewall about in line with steering rack bolt.



---------- Post added at 10:06 PM ---------- Previous post was at 09:57 PM ----------

Either blow air up the hole or use pipe cleaners. Carefull you could get a shower. Here is a shot from the bottom...


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post #3 of 12 (permalink) Old 03-29-2014, 06:25 PM Thread Starter
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OK woll do thanks coby

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post #4 of 12 (permalink) Old 03-30-2014, 03:51 AM
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Funny how many little portals, tubes and passages are hidden on a vehicle...especially in areas where debris and critters can get inside to plug and make problems. Nice having these forums as a source for the quick fix. Stiff pipe cleaners are definitely a nice means for snaking and, if they're too bendy, use a long tie wrap first.

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post #5 of 12 (permalink) Old 03-30-2014, 12:58 PM Thread Starter
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I'm gonna a go out here in a little bit and see if I can fins this drain and clean it out.

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---------- Post added at 11:58 AM ---------- Previous post was at 11:25 AM ----------

OK so I used pipe cleaners in the drain and at first some water cake out with a little dirt and then nothing. I have the AC on and it isn't dripping now. But is there any way water could get drip from there because of rain? Cause it's not raining now and yesterday the drip was fairly heavy during a heavy rain

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post #6 of 12 (permalink) Old 03-30-2014, 02:03 PM
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Yes, any rain that could get in the heater box should flow out this drain. When I unplugged mine I had what felt like half a liter of water come out. So maybe clean it again a bit later.

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post #7 of 12 (permalink) Old 03-30-2014, 02:25 PM Thread Starter
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Well my pipe cleaners only went a few inches in then it felt like I hit a "wall". I'm guessing the drain tube turns? So how long is the drain tube? Maybe I was hitting debris

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post #8 of 12 (permalink) Old 03-30-2014, 02:41 PM
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Try blowing air into it then.

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post #9 of 12 (permalink) Old 03-30-2014, 03:59 PM Thread Starter
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Ok I'll try that out tomorrow

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post #10 of 12 (permalink) Old 04-03-2014, 07:43 PM Thread Starter
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OK Coby7 I used the compressor and blew water up there and you were right.. a whole bunch of water came out. No more leak!

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