Car Leaking Water Under Dash

It s only when the water drips on the inside of the car there s an issue.

Car leaking water under dash. When i stopped i realized the driver side foot rest area was completely soaked with water. If you see a clear and odorless fluid under your car then it s possibly just water from your car s ac system. Water on floor passenger side from clogged ac condensate drain this is one of the more common problems. Bacteria from airflow combines with condensation from the ac coil to produce a mildew mold smell and the formation of a slime on the ac fins.

I found a puddle of water on the floor and my car is soaked. Real causes of water leaking from under a car most common causes of water leaking from under a car some of the most common causes of a water leak are the exhaust the cooling system and the windscreen washer system. Water seen dripping under the vehicle is from humidity removed by the air conditioner. After a brief inspection and another quick drive with a lot of turns with ac now off i noticed water escaping from under the dash on each side depending on wich way i turned.

Petrol and diesel both have very strong distinctive scents. The passenger side was wet but not nearly as bad as the driver side. Water from humidity removed by the air conditioner is normally drained from the evaporator case. If you can smell something that reminds you of a petrol station feel confident that you ve identified your mystery puddle.

The heater core is like a little radiator which water passes through under the dashboard to heat the cabin. It happens every time it rains and my floor inside my car gets soaking wet. If you see a brownish puddle under your car that looks multicoloured when the light hits it just right you re probably leaking petrol or diesel. Varying amounts of water dripping condensation under the car is to be expected depending on the level of humidity in the air.

It s caused by bacteria buildup on the ac evaporator coil located in the heater box under your dash. The higher the humidity the higher the volume of water can be seen dripping under the car from the evaporator drain tube. The most likely cause is a leaking heater core.