This will cause cold clear a c water to drain inside the vehicle on the passenger side.
Water on floor of car passenger side.
Water on floor passenger side from clogged ac condensate drain.
Faulty seals if plastic or rubber seals in your a c system fail water can seep out of the system and into your vehicle cabin.
If the water on the floor is green and oily feeling it could be due to a leaking heater core and you will be low on antifreeze inside the radiator but i bet you have a restriction in the a c drain which can be easily cleaned with a shot of compressed air.
It happens every time it rains and my floor inside my car gets soaking wet.
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.
If your car has a sunroof check its drainage system for these oddities.
My car is leaking water into the passenger side floor when it rains clogged sunroof drains or loose drain hose.
The front passenger side floor becomes thoroughly soaked when it rains.
I found a puddle of water on the floor and my car is soaked.
Its not a plugged a c drain this only occurs when there is a heavy rain.
The heater core could be the culprit too.
Causes of a wet passenger side floor mat 3.
The upper portion of the carpet.
In this case.
This can force water into the cabin.
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.
If this is the case you ll probably notice the water pooling up under the passenger side floor mats.