Where is the drainage outlet located in a car trunk?
3 Answers
The drainage outlet in a car trunk is located beneath the spare tire in the trunk. It can be opened by removing the rubber plug of the drainage outlet. The purpose of the car trunk drainage outlet is to prevent rainwater from flowing back into the car through the drainage hole and to discharge liquids from the car to the outside. The car trunk contains items such as a spare tire, vehicle first aid kit, onboard tool kit, triangle warning sign, fire extinguisher, car refrigerator, and emergency fuel tank cap release cable. Car drainage outlets are categorized based on their locations: 1. Door drainage holes; 2. Air conditioning drainage holes; 3. Engine compartment drainage holes; 4. Sunroof drainage holes; 5. Fuel tank cap drainage holes; 6. Trunk drainage holes; 7. Rocker panel drainage holes.
I've been driving for over a decade. The trunk drain outlet is usually located in the corners beneath the trunk floor, specifically near the rear bumper or inside the taillight area. Just lift the mat in your trunk to find the small hole. This design is meant to drain rainwater or car wash water, preventing water accumulation that could corrode the body. I remember one time when my trunk accumulated water after rain because this small hole was blocked by leaves. I fixed it myself using a thin wire to clear the blockage. Now I've developed a habit of checking it every quarter, and I recommend other car owners do the same to prevent rust issues that might affect trunk operation. The location varies by car model—sedans usually have it in the middle of the floor panel, while SUVs are more prone to blockages at the edges.
As a car enthusiast, the location of the trunk drainage holes is quite interesting. They are usually small holes or slits at the very bottom of the trunk, often just a few millimeters in diameter. This subtle design allows for quick water drainage to protect the frame, and if blocked, it can lead to water accumulation in the trunk, causing corrosion to the metal panels. I've tested using compressed air to blow them clean, and their position varies by car model—Japanese cars tend to hide them under the mat, while German cars might place them closer to the light housing. Don’t overlook this in regular maintenance; a simple method is to lift the mat and check the holes with a flashlight to ensure they're clear. By the way, you can find specific model location diagrams online.
