Water leak on passenger floorboard also an ac problem.
Water on passenger floorboard.
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.
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.
Water on floor passenger side diagnose and fix water on floor passenger side.
Posted on oct 10 2009.
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.
The heater core is heated by the engine coolant.
If this core develops a leak it will usually leak into the passenger compartment floorboard.
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.
Air is then blown over the heater core by the blower motor when the heater is on to heat the passenger compartment.
The cooling system is highly pressurized so even a small leak can force the antifreeze to come out.