Question about 2002 Mazda Protege

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Water on floor in back seat

Help! I have water on the floor of the passenger side of the Madza car. Not just a puddle... it's soaking!! I cleaned most of it up, but the next day it came back. Where is it coming from? It rained pretty hard when I first noticed it, but the second day when another puddle appeared... day didn't rain at all that day??? I've been on-line to research the cause. Most sites I've seen mention sunroof/moomroof problems. I don't have one on my car. All the seals around the door are good? It's fall so I don't have condensation from the A.C. (too cold to use) that coould be coming inside. It's not a chemical, no smell or colour (ie. some sort of hose leak from the engine) Help please!

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  • info800 Nov 11, 2008

    1997 Mazda Protege. Exactly the same problem - water soaking the passenger side floor. No smell to the water.

  • goldrushakm Nov 16, 2008

    I just purchased a 2000 mazda protege; had it mechanically checked out and all came back clean. Took it home today and was cleaning it up and noticed a puddle of water in the back passenger floor area. This was not apparent on the two times we checked out the car. Please offer any advice you may have. Thanks.


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Sorry to say but it sounds like the heater core has a hole in it. it maybe easy to get to in order to replace it. check your coolant level, if low fill up run a while let cool and check water level again. or a costlier method would be to have a cooling system check, you can buy one at most auto part stores. you place the cap on radiator and put pressure on system if pressure goes down you have a definate leak. replace heater core. hope this helps

Posted on Oct 28, 2008

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