What Causes Water Leakage from Windows into the Car Interior?
3 Answers
Water leakage from car windows is generally caused by aging window seals or clogged door drainage holes. Below are the relevant explanations: 1. Cleaning: For power windows, the dust inside the window seals should be cleaned regularly. The rubber strip attached to the top of the window frame is designed to prevent rainwater from entering the car. This rubber strip is in constant contact with the window glass. If the window glass is too dirty, the friction with the rubber strip increases, directly causing the window to fail to open or close properly. 2. Application: Applying a maintenance agent to the rubber is crucial. The rubber parts supporting both ends of the glass should be carefully inspected to ensure they are in good condition. When the sliding condition between the glass and the guide is poor, a rubber maintenance agent can be applied.
Having driven for over a decade, I've often encountered the issue of water leaking into the car through the windows. The most common cause is aging or damage to the door seals. These seals are made of rubber and, after prolonged exposure to wind and sun, can deform or crack, allowing rainwater to seep through the gaps. Another frequent issue is clogged drainage holes. There are small holes along the bottom edge of the door where water that enters through the window gaps should drain out. However, if these are blocked by mud or leaves, the water can flow back into the car. Once, I even had a case where the window track was deformed, preventing the glass from closing tightly, which caused significant leakage during light rain. This problem shouldn't be ignored, as water can soak the carpets and even corrode the door structure. I recommend regularly checking the seals and applying a protective agent to extend their lifespan. After rain or washing the car, open the doors to check if the drainage holes are clear. Address these issues promptly to prevent musty odors from developing inside the car.
I always enjoy pondering car maintenance, and window leaks are mainly attributed to damaged seals or clogged drainage systems. Seals exposed to sunlight and rain can easily harden or tear, losing their sealing ability and allowing water to seep in. Car doors are designed with water channels and drain holes to let rainwater flow to the ground, but if these holes are clogged with dirt, water accumulates and floods the interior. Sunroofs also have similar drainage tubes that need checking. When washing the car, avoid directing high-pressure water jets straight at door seams to prevent accelerating seal aging. Regularly use a soft brush to clean debris from window and door edges, as maintaining cleanliness can reduce issues. If a leak is detected, clear the drain holes promptly and replace seals if necessary—don’t wait until the interior gets damaged. Developing preventive habits is better than repairs; these small maintenance details are simple and cost-effective.
