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.
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.
Water dripping out of the air conditioner drain onto the ground is totally normal.
I think it came from the vent ducting directly underneath the driver seat the ducting that provided air to the back.
Everytime when it rain i found water on the floor on the driver side and the rear floor behind the driver seat.
If it only happens when the car is parked on a slope it s probably a failed weatherstripping seal or blocked sunroof drain.
Normally any water that gets into the door will drain out onto the road but the door s drain holes can become clogged too.
Water dripping onto the floor of the car from the air conditioner is not.
During a heavy or prolonged rain or carwash water collects on the rear interior floor boards.
Keep the car s doors open and leave the fans running for at least a day inside your garage.
This can force water into the.
Identifying when can potentially narrow down where and why.
If it leaks even when it hasn t rained or the car hasn t been washed then it s coming from somewhere within the car itself.
No water found on the floor of the front passenger seat nor directly behind it.
A shop fan is perfect for this.
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.
Wet and dry shop vac http amzn to 2ix2o1o tools best for car care 303 uv 16 oz.
Here s a more detailed rundown.
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.
This should thoroughly dry out any remaining moisture.
Causes of a wet passenger side floor mat 3.