Warning: Gasoline is highly flammable and special precautions must be taken when working on any component of the fuel system. Do not smoke, and do not approach the work area with an open flame or an uncovered carrier. Do not carry out such work in garages equipped with natural gas heaters (such as water heaters, dryers, etc.). The work area must be well ventilated. If gasoline comes in contact with your skin, wash it off immediately with soap and water. Wear safety goggles and have a fire extinguisher handy when doing any work on the fuel system. If gasoline spills, wipe up the puddle immediately, but do not keep gasoline-soaked rags in places where they can ignite spontaneously.
Order of execution
1. If you smell gasoline while driving or after the car has stood in the sun, you should 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 cover must be intact. Replace cap if damaged or corroded.
3. Inspect the intake and return lines of the fuel system for cracks. Check 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.
Warning: On vehicles equipped with a fuel injection system, the system must be depressurized before servicing the fuel lines.
4. Because some fuel system components - such as the fuel tank and some fuel system lines - are located at the bottom of the vehicle, they are easier to see when the vehicle is winched up. If this is not possible, jack up the vehicle and place it on jack stands.
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 deterioration of the neck material. Inspect all brackets and straps for securing the fuel tank to make sure it is securely attached to the vehicle.
Warning: Never, under any circumstances, attempt to repair the fuel tank (excluding the replacement of its rubber components). The flame of a welding machine or any other open fire can easily lead to an explosion of gasoline vapors inside the tank.
6. Carefully inspect all fuel hoses and metal lines from the tank for loose connections, kinks, signs of wear on hose materials, and other damage. Repair or replace damaged sections as necessary.
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