Where is the problem when a sedan leaks water?

2 Answers
DiOmar
08/28/25 4:25am
It may be condensation water dripping from the air conditioning in use. Here is an introduction to the situation of water leakage under the car: 1. Solution: When opening or closing the door, or hearing obvious water sounds while driving, water sloshing inside the door indicates water accumulation inside the door. At this time, you just need to find a thin iron wire or a small screwdriver to unclog the drainage hole, which you can do by yourself. 2. Detailed situation of leakage: If the window lift has been replaced, it may be because the waterproof membrane was not tightly adhered after replacing the lift, as the waterproof membrane needs to be peeled off during the replacement. If the waterproof membrane is not tightly adhered, the car will take in water during heavy rain. You can perform the sealing work yourself or replace the waterproof membrane.
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McCaleb
09/10/25 2:56am
Water leakage issues in sedans can involve multiple aspects. If the carpet inside the car is damp, it often stems from aging or damaged door and window seals, allowing rainwater to seep through gaps during rain. Prolonged neglect can lead to mold and rust in the interior. In summer, the air conditioning system produces more condensation, and clogged or ruptured drainage pipes can cause water to pool under the floor mats, often accompanied by unpleasant odors. A cracked windshield washer fluid tank will show obvious leakage after refilling. If the sunroof drainage ports are blocked, even slight bumps can cause water to backflow into the car. Small holes in the underbody or leaks in the cooling system can also lead to water accumulation. It's advisable to first identify the leakage location: water pooling at the front of the underbody is likely due to issues with the windshield washer or air conditioning, while the rear may indicate fuel tank or coolant leaks. Address the problem early to prevent electrical short circuits or worsening mechanical failures.
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