Posts Tagged: water on floor passenger side

Common Causes of Water on the Passenger Floorboard

The five most common causes of water on the passenger floorboard A plugged AC condensate drain line can cause water on the passenger floorboard, a leaking heater core, a leaking windshield seal, a problem with sunroof drains, or water ingestion from the fresh air intake on your car’s HVAC system. A clogged AC condensate drain can cause water on the passenger floorboard. This is one of the more common problems. It’s caused by bacteria buildup on the AC evaporator coil located in the heater box under your dash. Bacteria from … Read More