Question about 1999 Chevrolet Malibu

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Heater core there is liquid on the passenger side floor board. Do you think it might be the heater core?

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A couple of questions for you first, does the moisture smell kind of sweet and if you get it on your shoes or fingers is it slippery? if so then yes it is coolant. if not then start looking at windshield seal, door seal, check to see if floor board only gets wet when it rains or water runs over the car. be careful because your air conditioner can cause the same issue, there is a drain tube that runs to the bottom of the car, you've seen them drip in the summer time on the pavement, if it gets dirt or debris in it it will back up into the floor board also. not sure what type of climate you live in so there is a couple of ideas. check your coolant level and make sure that it is not low also, if so have shop pressure check it and see if it bleeds down pressure if so then you do have a coolant leak. does the heater work fine or is it intermittant? if intermittant then definitely check coolant level, if coolant is in the floor though it is for sure the heater core. hopefully this helps, just a few ideas to check to make sure before doing this small costly repair. let me know if i can help in anyway. thank you

Posted on Feb 28, 2009

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If it is antifreeze, yes. It could be just water from a clogged a/c drain or rainwater leaking in from a bad seal.

Posted on Feb 28, 2009

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