The cooling system is highly pressurized so even a small leak can force the antifreeze to come out.
Water on passenger floorboard.
The cooling system of the engine.
This morning i noticed that my passenger side floorboard was somewhat soaked not much of anything in the rear passenger floorboard but front was soaked.
If this core develops a leak it will usually leak into the passenger compartment floorboard.
This is the first place to start the investigation when you see car leaking water on passenger side.
Water leak on passenger floorboard also an ac problem.
It was definitely water and do not think it came in from the window or door seals b c the door was dry and rug area near lip of door was dry.
Posted on oct 10 2009.
Water is circulated into the passenger compartment through the heater core.
When there is water on the passenger side of the car investigate these two areas.
Sounds like your a c heater box drain is clogged easy fix just stick a hanger in hole to clear you will see water run out now for the blower it a blower motor risistor this controls the speeds and goes bad alot common problem.
A damp carpet or water on floor passenger side situation can be caused by a plugged ac condensate drain line a leaking heater core leaking windshield seal a problem with sunroof drains or water ingestion from the fresh air intake on your car s hvac system.