busted raditator , check heater-core . most are found inside up under your dashboard . hope that helps you !
sounds like there could be a plug knocked out of the firewall on the passengers side which would allow water to enter when you hit some puddles and splashed up
overfilling
It could be the heater core leaking.
Could be that your heater core is leaking May also have a plugged evaporator hole.
Heater core is leaking. Air Conditioner drain hose is plugged.
A floor may bend due to structural issues such as inadequate support or overloading, water damage causing wood to warp, or incorrect installation. It is important to address the underlying cause to prevent further damage and ensure the safety of the structure.
The side kick panel is to the right of the floor where the passengers feet would be.
Check the AC evaporator drain line...is it not connected to the outside
Leak on drain line above floor level
insanity
the water
Could be the heater core leaking or the windshield needs sealant.