- #39 of 48
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Re: WATER LEAK [jamijan]
by bigskidogg
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Apr 09, 2008 (1:43 am)
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Replying to: jamijan (Apr 08, 2008 4:48 pm)
I was finally able to get this issue solve, i found the rubber strip that is under the plastic piece by the windshield and sure enough it was off so i glued it on with some rubber cement. fixed the rain problem but still had the ac condensation flowing back up because the drainage tube was clogged. couldnt find it on my own, took it to a garage that my father recommended and he put it up on the lift and showed me where it was at and stuck a small phillips screwdriver or and small thin metal object to stick up the tube and unplug it. it took like 2 seconds. it is hard to see the tube i wouldnt have found it on my own but on a lift it was easier to locate . it came down right around where the engine and tranny are, pretty much directly inline with the firewall but it was a very small tube like an 1/8 inch or something. the end of it was greenish because of the mold and gunk so it really didnt look like it could have been the tube but he stuck the screwdriver about 1 inch or so up into it and all of the water which wasnt really alot came right out and it solved the problem. you might be able to find it if you put it up on jack stands and have a little room to look around, that was my problem, i couldnt really see it from just looking underneath. but once it was on the lift it was definitely findable. good luck. i believe this will solve your problem.
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- #40 of 48
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Re: WATER LEAK [bigskidogg]
by jamijan
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Apr 13, 2008 (5:07 am)
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Replying to: bigskidogg (Apr 09, 2008 1:43 am)
Thanks bigskidogg. I found the drain on plugged it and the problem is sloved. I found the drain looking in from the top. In my 2001 Grand Prix under the dash on the passenger side, I had removed the cover over the blower, held in place by three anchors. I followed the pipe coming out of the blower into the firewall. Then I looked under the hood where this pipe should come out. There was the drain. a short elbow coming out and pointing down. It was difficult to reach but I was able to unplug it with a piece of stiff wire. My car has been dry since then. Thanks.
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- #41 of 48
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Water leak
by taylor981
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Jun 05, 2008 (3:46 am)
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I have an 04 Grand Prix and lately I have noticed that whenever I get home from work or a drive anywhere, there is a nice puddle of water underneath the car where the A/C would normally drain out, except I haven't used the A/C. I've actually had the heater on. The puddle keeps getting bigger and bigger each time. This morning when I started the car and left for work, there was already a puddle of water in the driveway after the car running for only maybe 5 minutes. I popped the hood last night and found the water was coming out of a drain elbow that looks like it's going into the firewall. Why is my car leaking so much water on the ground???? I've never had this happen with any other car I've owned.
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- #43 of 48
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Pontiac Grand Prix leaking issues
by jlgifford
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Jul 12, 2008 (9:48 am)
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It doesn't get any better in 2006, my back passenger side foot well is a nice puddle and my car stinks like mold. Living in Florida, I can rest assured there is mold all over the car and it is now a health hazard. I would like to know why, if this has been an ongoing problem, hasn't GM done anything about it?
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- #44 of 48
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Re: Pontiac Grand Prix leaking issues [jlgifford]
by nategrey
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Jul 14, 2008 (9:14 am)
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Replying to: jlgifford (Jul 12, 2008 9:48 am)
GM doesn't do anything about it because people are still buying it.
Seems like lack of dilligence on their end as a means of cost saving. They're actually saving at the cost of their customers.
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- #45 of 48
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Re: Pontiac Grand Prix leaking issues [jlgifford]
by rjcoyne
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Sep 22, 2008 (6:13 pm)
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Replying to: jlgifford (Jul 12, 2008 9:48 am)
I have a 2004 Grand Prix and, like all of you, my passenger side floors and air conditioner have water leaking problems. My car also smells like mold and has since i bought it. When i speed up or go over a speed bump I can hear water sloshing around in engine/dashboard. The air-conditioned air smells terrible. I got my windshield fixed over a year ago and since then, the water leak on the floor has been minimal, but the air conditioner problem is bad. I'm taking it to the dealer tomorrow after reading this thread
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- #46 of 48
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Re: Pontiac Grand Prix leaking issues [rjcoyne]
by larryboh
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Dec 06, 2008 (7:29 pm)
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Replying to: rjcoyne (Sep 22, 2008 6:13 pm)
I have a Grnd Prix that is doing exactly the same thing. Wet floor on the passenger side and a very annoying sloshing sound in engine/dashboard. Were you able to get your car fixed and if so can you share what was wrong?
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- #47 of 48
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Re: Pontiac Grand Prix leaking issues [larryboh]
by dtrombley
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Dec 08, 2008 (1:16 pm)
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Replying to: larryboh (Dec 06, 2008 7:29 pm)
well it was the cowl that was leaking .after i got it fixed i traded it in
and im glad i did
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- #48 of 48
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Re: Pontiac Grand Prix leaking issues [larryboh]
by ralka
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Dec 13, 2008 (9:56 pm)
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Replying to: larryboh (Dec 06, 2008 7:29 pm)
sounds like water in the hvac case through the vent
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