The fuel tank is found at the rear end of the Buick chassis, near the trunk. Most cars have fuel tanks at the back of the vehicle. Other vehicles whose engine is placed at the back of the car have their fuel tank under the hood. Buick fuel tanks are almost similar with other fuel tanks in terms of structure and design. A fuel tank typically has inlet and outlet pipes serving as passageway for the fuel. Inside the tank itself, there are baffles that prevent the fuel from moving back and fort the tank.
Fuel tanks can be made o metal so they are prone to rust and corrosion. For this reason it is a must that you check it regularly to avoid such damages. Small dents and scratches can cause holes and eventually fuel spills. There are replacement Buick fuel tanks made of plastic, if you choose to buy this kind of fuel tank for your vehicle, make sure it's made of high quality plastic that could withstand hot temperature under the trunk compartment.
It is best to replace your Buick fuel tank when you notice a problem to ensure your safety. As earlier mentioned, a damaged fuel tank creates a threat to safe driving. It could cause leaks and when the fuel has come in contact with a delicate substance, it could inflame your car.