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Passenger floor leak

3 messages,  Last post on Jul 09, 2009 at 5:57 AM

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#1 of 3 Passenger floor leak by praesto Aug 20, 2007 (8:30 am)
I have a 2002 Regal, bought used, that for the first year had no problems with water. Suddenly I'm finding water on the passenger side floor every time it rains.   I have found that when the car is parked level or with the nose facing down it doesn't matter how hard it rains everything stays dry. Only when the nose is facing up does the water come in.   This happened suddenly and there was no accident, work on the car or firewall area. The interior filter had not been touch as well. I have been told that there is a "gutter" or railing that runs along the firewall that is designed to run off water to the side. It is possible that it could have fallen off.   The water seems to collect towards the center of the car but leaks out at it's lowest point, the far right side near the fender wall. I have seen discussions about this problem from a few years ago but no one seemed to have an answer. Any updates? Replies to this message: KarenS (Aug 24, 2007 4:26 pm) 2000gs (Jul 09, 2009 5:57 am)
#2 of 3 Re: Passenger floor leak [praesto] by KarenS HOST Aug 24, 2007 (4:26 pm)
Replying to: praesto (Aug 20, 2007 8:30 am) If you don't get a reply here soon, you might want to try posting over in Water Leaks-How to find and fix. Replies to this message: 2000gs (Jul 09, 2009 5:57 am)
#3 of 3 Re: Passenger floor leak [KarenS] by 2000gs Jul 09, 2009 (5:57 am)
Replying to: KarenS (Aug 24, 2007 4:26 pm) It can be one of several things but I have found the most common one being the cabin air filter being plugged or not seated properly. It is located under the plastic guard on the passenger side just above the firewall of the car. there are a couple of plastic screws that hold it in place and after removing them you can lift off the plastic shroud.   The other problem you might have is a leaking heater core. Is the leak water or does it smell like coolant? Does the floor get wet after a rain storm or is it always wet and smell like coolant?   Regards.

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