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Water is pooling in my floor board on the passenger side.

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  • Ken Bledsoe May 11, 2010

    The heater core is going out. When ever the heater core goes out the only thing that is a for sure tip off is the water on the passenger floor. Heater core is straight up from there. ken


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This could also be condesation coming from the A/C evaporator coil if the drain line is clogged up.

Posted on Jan 10, 2009

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Why is my 2007 chevy impala leaking water in my car? its not rain

Most likely the heater core is leaking. The heater core is located behind the dash board and depending on the vehicle can be quite a job to do yourself or if you have someone else do it then it will be expensive. For example on a 2000 Chevy Silverado the Flat rate time is around 8 hours. So add the cost of the heater core, possibly if the heater core is bad, ( Usually from not maintaining the proper mixture of coolant) then there is a possibility that the cooling system may be full of corrosion leading to possibly having to replace the radiator, thermostat and water pump soon after. Shop rates per hour vary but they can range anywhere from $ 65 an hour for a low budget shop to over a $100 an hour for a top of the line shop. Remember you get what you pay for. If your heater core is leaking it is also possible your floor board may be damp. You could also smell it in your car.

Nov 05, 2014 | 2007 Chevrolet Chevrolet Impala SS

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My floor on the passenger side filled up with water. Now the a/c in the vehicle will not turn on. When excelerating cold air will blow out but once stopped there is nothing.

There is a drain tube which channels the water the ac produces .That's the water you see under the car. Could be something's blocking the tube

Jul 08, 2013 | Heating & Cooling

1 Answer

I have a 2007 Subaru Legacy. Recently when running the air conditioner, water is dripping onto the floor on the passenger side and is soaking the floor in the back seat as well. I might add that I noticed...

My wife had a similar problem w/ a toyota matrix, I found that the drain tube came from under the dash under the carpet, and was not connected to the black abs plastic tube that is the drain line from the a/c, re attached with a small hose clamp and the problem went away.
It is located on passenger floor board top toward the center console, you can lift the carpet back and see it.
Hope this helped.

Jul 27, 2011 | Heating & Cooling

1 Answer

Leaking on passengers side

If it is leaking outside the car it is OK.
If it is leaking inside on the floor board the drain line is stopped up.
Find the drain tube on the outside and use an air hose to blow air into the tube to clear the blockage.

May 24, 2011 | Heating & Cooling

1 Answer

Every time i run the ac my passenger floor gets wet and someone told me that the hose was clogged

There is a DRAIN hose from the bottom of the evaporator inside the car blower unit where the condensed water collects and needs to be drained out to the outside thorough a small hose. When the carpets are pulled it can result in the hose coming off from the clip and so the water drains into the floor. So look on the leg compartment upper side for the hose and fix it back. It an also be clogged and result in overflow from the drain tray.

Jan 31, 2011 | Heating & Cooling

1 Answer

I found water under carpet on the right side of the car. I have a Fiat Punto 2008 and in the last week I drove more than 1000 km, using the air conditioner. In that time there was no rain and I did't wash...

Your drain hose from the air duct box is plugged. Run the ac for 10 min and look under the car for a drip thereshould be one if its not plugged completely. If no drip you will have to locate it on the passenger side under the car near the firewall/front floor board. You need to clean it out with compressed air or a flexible line. You have debris in your heater/ac box where the fan is and it really needs to be cleaned out.

Aug 08, 2010 | Heating & Cooling

1 Answer

The fan knob on the climate control panel only operates on the high range and will not even turn the a/c on in low or medium. when in high range the a/c unit overall seems to be performing like normal...

Had the identical problem in my Grand Cherokee... you need a new relay switch... mine was located under the dash on the passenger side and was ceramic -- when they go bad they only allow the climate control system to work on high speed.

Sep 02, 2009 | Heating & Cooling

2 Answers

Water on passenger floor coming from AC drain tube

Sounds like the drainpipe has disconnected from the drainpan or evap housing. This is usually in a direct line with the hole in the firewall, so if you are lucky, pushing the pipe through the firewall and hopefully it is in the correct position to fit onto the drainpan outlet. The only other way is to actually do it by feel by sliding your hand up on the cab/dash side of the firewall and locating the pipe and outlet while someone else tries to push it on from the outside. Hope this helps

May 11, 2009 | Heating & Cooling

1 Answer

The floor on the passenger side in my car is wet, and my check engine light is on.


Apr 29, 2009 | Heating & Cooling

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