Where are the drainage holes located on the BYD S7?
3 Answers
BYD S7's drainage holes are distributed in locations such as the fuel tank cap, engine compartment, door panels, sunroof, and more. Below are the specific details: 1. Sunroof drainage hole: The initial clogging of the sunroof drainage hole usually occurs at the entrance, which can be seen by opening the sunroof and is relatively easy to clean. 2. Engine compartment drainage hole: Since the engine compartment is very close to the air conditioning intake, bacteria can easily grow in the stuffy compartment and affect the air quality inside the car through the air filter. In severe cases, water may flow into the car through the air conditioning intake, causing floor water accumulation. 3. Door drainage hole: Due to the low position of the door drainage hole, vehicles driving on muddy roads for a long time can easily have the drainage hole blocked by mud. 4. Fuel tank cap drainage hole: Since the vehicle is used outdoors, sand and dust can accumulate around the fuel tank cap through its gaps. If this drainage hole is blocked, water may enter the fuel tank during car washing or rainy weather, leading to fuel tank damage. 5. Air conditioning drainage hole: The car's air conditioning produces condensate during cooling, and the condensate pipe is located under the chassis. During the rainy season, mud and water accumulation can also block the drainage hole, with consequences similar to the engine compartment drainage hole blockage—water may flow back into the car, causing floor water accumulation. 6. Trunk drainage hole: The spare tire area in the trunk is one of the lower parts of the car body. If the vehicle wades through deep water or water seeps through the gaps in the lights, it will flow to this position inside the car body.
The drainage holes of the BYD S7 are mainly concentrated in the sunroof area on the roof, with one in each of the four corners. You can usually spot small holes near the upper edge of the front windshield. I first discovered this issue when water mysteriously leaked into the cabin, and after researching, I learned that these drainage holes are prone to clogging. Rainwater flows in through the sunroof, and if not cleared in time, not only does the car's carpet get soaked, but it also leads to mold and unpleasant odors. During regular maintenance, I always use a wire or compressed air to blow through the pipes. Doing this periodically keeps the car much drier. Additionally, there are drainage holes at the bottom of the doors, near the door sills, to prevent mud and water from accumulating and causing rust. After driving for a while, it's important to develop the habit of checking these holes monthly—don’t wait until water leaks in to regret neglecting them.
As an experienced DIY car repair enthusiast, I know the drainage hole locations on the BYD S7 are crucial. There are four holes around the sunroof, positioned at each corner, with the front ones near the windshield being the easiest to locate. There are also drainage holes beneath the door sills to prevent water accumulation and rust. Many people overlook these, leading to rainwater backing up into the car, damaging electrical systems and compromising safety. I've experienced this myself, so now I regularly flush them with a soft hose and use dust caps. Routine maintenance is simple—just keep them unclogged for peace of mind. Paying extra attention to these spots during rainy seasons can extend your car's lifespan.
