What causes car water leakage?

2 Answers
StFrank
07/29/25 8:17am
There are many reasons for car water leakage: 1. Sunroof leakage: This is mainly caused by aging seals or clogged drainage holes. In such cases, check the specific cause, clean the drainage holes, or replace the seals. Don't forget to maintain the sunroof during regular car maintenance, as proper upkeep is crucial to prevent leaks. 2. Door seal leakage or aging: This is also very common. Like sunroof seals, they are designed to prevent such issues. If your car is leaking water, inspect these areas. If the problem is due to door seals, simply replace them.
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OJessica
08/13/25 4:37am
I encountered a similar situation just the other day. After parking my car, I noticed a small puddle of water under the parking spot, and my heart skipped a beat thinking something was wrong. Upon closer reflection, I realized it might just be normal air conditioning drainage. During summer when the AC is on, condensation forms inside the evaporator, and the water vapor is expelled through the drain pipe under the car—this is quite common. However, if the water has color or a sweet smell, you should be alert to coolant leakage. Coolant is usually green or pink, and a leak can cause the engine to overheat, requiring immediate inspection. Another possibility is a leak from the windshield washer fluid reservoir, either from an improperly closed cap or a broken hose allowing fluid to escape. In general, water leakage isn’t always a major issue, but it’s important to check promptly just in case. Personally, I make it a habit to inspect these areas whenever I wash my car to ensure everything stays dry and safe.
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