Question about 1994 Toyota Camry

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Condensation on the inside of the windshield

There is condensation on the inside of the windshield and the passenger side floor is wet. Wanted to know what could be the problem. If it is the heater core is this something I can fix on my own.

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  • Toyota Ed May 11, 2010

    Have you determined the cause of the leak, per my suggestion? Please advise. Thanks.

  • Toyota Ed May 11, 2010

    If the heater core was leaking, the condensation would be very difficult to remove with a paper towel; it would streak real bad, and there would be a sweet odor in the passenger compartment. What I would look for is a blocked condensate drain tube. Open the passenger door, and pull back the floor carpet under the dash. Look for and find a black hose that comes from in front of the heater box, in front of the console and pokes out thru the firewall. Have a container ready. Remove the end of the hose connected to the heater box. Catch any water. Then, inspect the hose for obstructions. Let me know what you find.



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Heater core has developed a leak.
Usually not something the average Joe can do.
I can not Judge your mechanical aptitude.
I would recommend a mechanic. Some parts of the dash (or the entire dash) must be removed.

Posted on Jan 20, 2009


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Have you been adding a little more antifreeze recently if so check the floor on the pass. side,if it is wet your heater core is leaking.That will also cause the excess moisture on the inside mostly on the winshield.

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