Warning: Gasoline is highly flammable, so special precautions must be taken when working with any fuel system components. Do not smoke or approach the work area with an open flame or unprotected lampshade. Do not perform such work in garages equipped with heating devices that run on natural gas (such as water heaters, dryers, etc.). The work area must be well ventilated. If gasoline comes into contact with your skin, wash it off immediately with soap and water. When performing any work on the fuel system, wear safety glasses and keep a fire extinguisher handy. If gasoline is spilled, wipe up the puddle immediately, but do not keep gasoline-soaked rags in places where they can spontaneously ignite.
1. If you smell gasoline while driving or after the car has been standing in the sun, you must immediately check the condition of the entire fuel system.
2. Remove the fuel tank cap and inspect it for damage and corrosion. The sealing insert on the lid must be intact. If damage or corrosion is present, replace the cover.
3. Inspect the fuel system inlet and return lines for cracks. Make sure that the connections between the fuel system lines and the carburetor or fuel injection system, and between the fuel system lines and the built-in fuel filter are not loose.
Caution: On vehicles equipped with a fuel injection system, the system pressure must be relieved before servicing the fuel hoses. For instructions, refer to the Fuel and Exhaust Systems Chapter.
4. Because some fuel system components - such as the fuel tank and some fuel system lines - are located underneath the vehicle, they are easier to inspect when the vehicle is winched. If this is not possible, jack up the vehicle and place it on supports.
5. With the vehicle raised, inspect the fuel tank and filler neck for holes, cracks, or other damage. Pay special attention to the condition of the connection between the filler neck and the tank. Sometimes fuel leaks occur due to loosening of the clamps securing the rubber neck or due to damage to the neck material. Inspect all fuel tank mounting brackets and straps to ensure that the fuel tank is securely fastened to the vehicle.
Warning! Never, under any circumstances, attempt to repair the fuel tank (excluding the replacement of its rubber components). A welding flame or any other open flame can easily cause the gasoline vapor inside the tank to explode.
6. Carefully inspect all fuel hoses and metal lines leading from the tank for loose connections, kinks, signs of wear on hose materials, and other damage. If necessary, repair or replace damaged sections (see chapter Power and exhaust systems).
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