Reasons for Water Leakage in Car Air Conditioning Pipes
2 Answers
Here are the reasons for water leakage in car air conditioning pipes: 1. Poor drainage pipe: Long-term use causes aging, loosening, or bending into a wavy shape of the drainage pipe, leading to poor drainage and local blockage. Contact the manufacturer or a qualified air conditioning repairer to replace the drainage pipe. Users can also purchase an ordinary PVC thin pipe as a replacement, but the construction on the outdoor unit part is somewhat difficult, and it is also troublesome to remove the protective tape. 2. Blocked drainage pipe: The drainage pipe leading outdoors is artificially blocked or the drainage outlet is blocked by dirt, preventing the condensation water from being discharged. If the architectural design includes a drainage pipe, it is important to check whether the drainage pipe is clear and whether the connection between the drainage pipe and the air conditioning pipe is properly made.
I've been driving cars for nearly twenty years and have encountered air conditioning pipe leaks quite a few times. When the AC is set to cold, the moisture inside the cabin condenses into water droplets upon contact with cold metal surfaces, which should normally drain outside through the drainage pipe. However, if the pipe gets clogged with dust or leaves, or if the drain outlet freezes, water can leak onto the undercarriage or the car's carpet. Once, after parking, I noticed a puddle of water under my car—turns out the pipe had cracked due to aging, allowing water to seep out. If left unaddressed for long, it not only leads to mold and rust inside the car but can also cause serious issues like short circuits in the electrical system. I recommend regularly cleaning the AC drainage channel, especially during peak summer months, and it's a good practice to check for leaks under the car before long trips.
