This is due to clogged sunroof drains.
Water in car under carpet.
I think the heat from the engine evaporates the water under the carpet there and then the water condenses on the cool floor pan throughout the car.
Car a c systems are actually designed to allow water to drain out of your vehicle.
The moisture under your carpet has to come from somewhere and that somewhere is almost undoubtedly the air conditioning system.
The system cools the cabin by pulling humidity from the air and that moisture needs a place to go.
Other problems can include corrosion of pin connectors computer failures sensor failures rust and high humidity inside the car causing your windows to fog up.
A wet carpet is not the only sign of water leaking in a car.
No matter how much you towel or vacuum off your car s surfaces any fabric and carpeting in your car as well as the chassis beneath will be damp to the touch.
Where is the water coming from.
Normally condensation in your ac system exits through a small drain tube in the bottom of the vehicle but over time that drain tube can get clogged and cause water to backflow into your car interior.
The drain tube can be cleared with compressed air.
Use airflow to clear out moisture.
Water leaking from under the car can be normal especially on hot days when you ve been cranking the a c at full blast.
If water sits for too long in a car s carpet mold can grow and cause bad smells.
If you don t see water dripping onto the ground the evaporator condensate drain tube is plugged and the water is running down the inside firewall under the carpet into the back seat floor.
Check to see whether the liquid collecting in the car is antifreeze or water don t taste it.
It doesn t appear to be a door seal or anything the water seems to collect in the footwell below the carpet and fills up over time.
Today we find and fix the water leaking inside my car.
You should also check to see if your vehicle has drain plugs in the floor that you can open up to release any trapped water.
There should be water dripping onto the ground.
I caught it before mildew set in.
Jul 13 2019 diggs24.