Probably on the passenger side, under the glove box. The heater core is leaking, you should probalbly smell something sweet with the car running. That's the anti freeze.
defrost or a/c compartment under the dash
Check your heater under the dash, you mAY HAVE A LEAK FROM THE HEATER CORE UNIT.
It may be condensation from your air conditioner condenser. The drain tube may be plugged causing water to back up and leak from under the dash. A windshield leak may also cause your problem.
Windshield seal? Heater core? Evaporator drain?
You most likely have a heater core that is leaking.
Check for vacuum leak either under hood or under dash Check for bad vacuum actuator under dash
not any oil in your heater core although the heater core uses coolant coming from and returning to the engine so when damaged or being worked on coolant can leak under the dash and into the floor
Plugged evaporator? Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuators under the dash Check the operation of the selector switch
Sometimes the ac core, under the dash,developes a leak,and we forget to check inside the car for leaks. ac core????under the dash?? dont you mean the heater core under the dash..unless your speaking of the evaporator core ???wich hardly ever goes out
you may have a septic system leak or a water main leak
Check for vacuum leak either under hood or under dash Check the operation of the vacuum operated actuators under dash Check the operation of the selector switch
Check for a vacuum leak either under the hood or under the dash Check the operation of the vacuum actuators under the dash