Here s a more detailed rundown.
Water on floor of car back seat when raining.
During a heavy or prolonged rain or carwash water collects on the rear interior floor boards.
Identifying when can potentially narrow down where and why.
One is that the sunroof drains can get clogged.
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.
This should thoroughly dry out any remaining moisture.
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.
A shop fan is perfect for this.
Water dripping out of the air conditioner drain onto the ground is totally normal.
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.
No water found on the floor of the front passenger seat nor directly behind it.
If it only happens when the car is parked on a slope it s probably a failed weatherstripping seal or blocked sunroof drain.
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.
Everytime when it rain i found water on the floor on the driver side and the rear floor behind the driver seat.
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 can force water into the.
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.
Keep the car s doors open and leave the fans running for at least a day inside your garage.
There appear to be two major causes for this mine had the more frequent of the two.
Causes of a wet passenger side floor mat 3.