By design water can get into the inside of your car s doors either from rain or from splashing by passing cars on wet roads.
Water on floor of car back seat when raining.
No water found on the floor of the front passenger seat nor directly behind it.
Here s a more detailed rundown.
After a rain storm do you have water puddling up and soaking the carpets.
There appear to be two major causes for this mine had the more frequent of the two.
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Water dripping out of the air conditioner drain onto the ground is totally normal.
Everytime when it rain i found water on the floor on the driver side and the rear floor behind the driver seat.
Identifying when can potentially narrow down where and why.
Water dripping onto the floor of the car from the air conditioner is not.
Start by positioning a fan two if possible so that it blows across the car s floors and seats from one side to the other.
One is that the sunroof drains can get clogged.
A shop fan is perfect for this.
The drains run down the c pillars just behind the rear doors and if clogged the water backs up and runs down onto the floors.
During a heavy or prolonged rain or carwash water collects on the rear interior floor boards.
This should thoroughly dry out any remaining moisture.
I think it came from the vent ducting directly underneath the driver seat the ducting that provided air to the back.
Keep the car s doors open and leave the fans running for at least a day inside your garage.
Causes of a wet passenger side floor mat 3.
Normally any water that gets into the door will drain out onto the road but the door s drain holes can become clogged too.
When air conditioners take humidity out of the air in the passenger compartment they end up collecting a lot of water that has to drain out of the car.