Why is there water accumulation in the Cayenne's door?
2 Answers
Water entering the door is most commonly caused by rainwater flowing into the car through the outer seal of the window. Another situation is that water from regular car washes can also flow into the door through the outer seal of the window. Methods to deal with water in the door: The method to handle water accumulation in the door is that there are usually drainage valves at the bottom edge of the door. Most doors have three drainage valves, so accumulated water can be drained by opening these valves. The main function of automatic drainage: Under normal circumstances, the door drainage valves will automatically open when the door is closed, due to the squeezing action, serving the main purpose of automatic drainage.
I remember how annoying it was when my Cayenne's doors accumulated water. It happened last rainy season after I parked under a tree for a week—opening the door caused water to pour out directly from inside. The main issue was that the small drainage holes at the bottom of the doors were clogged with leaves and mud. These holes are designed to allow rainwater to drain properly. I found some tools, used a thick wire to fish out the debris, and rinsed it with clean water, which solved the problem. Now, I check these small holes every quarter, especially during spring and autumn when there are more leaves, to prevent blockages. If left unattended, the standing water can easily cause the inner steel panels of the doors to rust, and over time, the door/window motors may get damp and short-circuit, affecting overall safety. I recommend everyone develop a habit: on a dry day, open the doors to check for water stains and clean the drainage holes promptly—it saves both money and hassle.
