What Causes Water Leakage on the Left Side of a Car?
2 Answers
Water leakage on the left side of a car is generally caused by aging door frame seals or deformed door weatherstrips. Below are some relevant tips for door maintenance: 1. Proper Door Closing: Push the door to a distance of 10-15cm from the car body, then gently close it with slight force. Alternatively, slowly push the door until it closes before releasing your hand. This effectively protects the door and avoids loud noises. 2. Door Maintenance: The key to extending door lifespan is "maintenance." Frequent door operation can increase wear, corrosion, and even failure if the door limiter and hinges are not lubricated in time. Professionals can apply grease to lubricate door hinges and limiters, reducing wear.
A few days ago, my car had the same issue, and it turned out to be a clogged AC drain pipe. When the AC is on in summer, the evaporator produces condensation, and the left drain pipe is located near the passenger footwell. If a thin wire doesn’t clear the clog, the drain pipe connector might have come loose. Additionally, aged door seals can also cause leaks, especially in cars over ten years old. Rainwater flows into the door along the window, and if the drain holes are clogged with mud, water can seep under the floor mats. Another hidden culprit is a clogged sunroof drain pipe—it’s recommended to blow out the drain holes in all four corners with an air gun once a year. I later spent 20 bucks replacing the seals and no longer worry about stepping in puddles on rainy days.
