Reasons for Water from Car Air Conditioning Flowing into the Car

[StJustin]

Reasons for water from car air conditioning flowing into the car: 1. Incorrect installation of the drain pipe: Cars have a dedicated air conditioning drain pipe located in the right front footwell area, with the outlet also on the right side of the car. If the drain pipe is incorrectly installed after the dashboard is removed and reassembled at a repair shop, water can flow into the car. A common symptom is water stains on the right front floor mat. 2. Internal blockage of the evaporator: For new cars, the evaporator might be internally blocked. If the evaporator's drain outlet was not properly treated during manufacturing, there might be a rubber film covering the drain outlet, preventing water from draining. 3. Poor connection: Another reason could be the evaporator's drain outlet connector, where the connected rubber drain pipe might have come off or is not properly connected.