What's the matter with the car leaking water?
Recently, the issue of vehicle water leakage has become a hot topic among car owners. Whether it is rainy days or after washing the car, water accumulation or water seepage in the car will cause trouble to car owners. This article will combine the hot topics and hot content on the Internet in the past 10 days to provide you with a detailed analysis of the causes, common parts and solutions of vehicle water leakage, and provide structured data for reference.
1. Common causes of vehicle water leakage

Vehicle water leaks are usually caused by:
| Reason | Specific performance |
|---|---|
| Aging of sealing strip | The seals on doors, sunroofs, etc. are damaged or deformed |
| Drain holes clogged | The sunroof or door drain hole is blocked by debris |
| Cracked car body welding points | Long-term bumps cause gaps in welding parts |
| Air conditioner drain pipe failure | Air conditioner condensate cannot be discharged normally |
2. Common parts of vehicles leaking water
According to recent car owner feedback and maintenance data, vehicle water leakage is mainly concentrated in the following parts:
| Leakage area | Proportion | Typical symptoms |
|---|---|---|
| skylight | 35% | Water seeping from the ceiling and dripping from the A-pillars |
| car door | 28% | Water accumulates on the door sill and the inside of the door is damp |
| trunk | 20% | Water accumulates in the spare tire well and water leaks from the taillight |
| front windshield | 12% | Water accumulation under instrument panel |
| Others | 5% | Water dripping from air conditioner outlet, etc. |
3. Solutions to vehicle water leakage
For different causes and locations of water leakage, the following solutions can be taken:
1.Skylight leakage treatment: First, check whether the skylight drain hole is clogged and use thin wire to clear it; secondly, check whether the sealing strip is aged and replace it if necessary.
2.Car door leakage treatment: Check whether the door seal is intact and clean the drainage hole under the door; if the waterproof membrane inside the door is damaged, it needs to be re-pasted.
3.Trunk water leakage treatment: Focus on checking the taillight gasket and rear windshield glass strip, and replace them if necessary; clean the trunk drain channel.
4.Air conditioning system leakage treatment: Check whether the air conditioner drain pipe is detached or blocked, and ensure that the condensed water can be drained smoothly.
4. Recent popular vehicle water leakage cases
According to the popularity of discussions across the Internet, the water leakage problem of the following models has recently received more attention:
| car model | Leakage area | Discussion popularity |
|---|---|---|
| A German SUV | skylight | high |
| A Japanese car | trunk | in |
| A domestic new energy vehicle | forward engine room | high |
| An American MPV | sliding door | in |
5. Suggestions on preventing vehicle water leakage
1. Regularly check the status of vehicle seals and replace them if they are found to be worn out.
2. Clean the sunroof and door drain holes every quarter to prevent clogging.
3. When washing the car, avoid using high-pressure water guns to directly flush the sealing parts.
4. When parking the vehicle for a long period of time, make sure the sunroof is fully closed.
5. If water leakage is discovered, deal with it promptly to avoid more serious damage to the circuit or interior.
6. Professional maintenance suggestions
If you still cannot determine the cause of the leak after self-inspection, we recommend:
1. Go to a professional repair shop to conduct a water test to accurately identify the leakage point.
2. For water leaks near electronic components, repair them immediately to avoid the risk of short circuit.
3. Keep maintenance records. Some water leakage problems may be covered by the warranty.
Through the above analysis and suggestions, we hope to help car owners better understand and solve vehicle water leakage problems. Remember, discovering and treating water leaks promptly can effectively prevent more serious vehicle damage.
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