Leak Into Front Passenger Floor

As it works to keep your car cool the a c system creates a lot of condensation.

Leak into front passenger floor.

If you only notice water on floor passenger side or driver side after washing your vehicle or after a rainstorm suspect a plugged sunroof drain. The evaporator core is also located in the same housing as the heater core. This condensation normally drips down the evaporator drain hose and onto the ground harmlessly as you drive. It s usually caused by an hvac system component in the dashboard leaking into onto the floor on the passenger s side.

The front passenger side floor becomes thoroughly soaked when it rains. Its not a plugged a c drain this only occurs when there is a heavy rain. The front drains route through the left and right a pillars to spill water onto the ground. Rainwater can get into a vehicle by seeping past weatherstripping on windows and windshields the black rubber seals that border your vehicle s glass surfaces.

Causes of a wet passenger side floor mat 5. Leaves can clog these drains and cause water to leak onto the floor passenger side and driver side. Happens more when i am parked facing down hill. Find the leak source with water testing we have used japanese cars for sales which never have leakage.

Over time those rubber seals can start to dry up become brittle and damaged and could even begin to leak. The passenger floor is the end point of these drains. Does not appear to be coming from roof or doors. If you suspect that rainwater is leaking through any of the seals you can do a water test to find out the problematic spot.

Find an assistant to sprinkle water on the. If this core develops a leak it will usually leak into the passenger compartment floorboard.