FUEL SYSTEM 3 FUEL SYSTEM Introduction : The Diesel vehicle fuel system consists of following components : 1. Fuel tank assy. 2. Fuel tank strainer. 3. Fuel sedimeter 4. Fuel filter (on Engine) 5. Fuel level gauge. 6. Fuel filler cap 7. Fuel hoses and fuel lines (i.e. delivery & return lines) Warning : ● While removing the fuel tank from the vehicle, keep sparks, cigarettes, and open flame away from it. ● Before repairing fuel tank assy., clean it thoroughly ● Always wear safety glasses. FUEL TANK The fuel tank is located behind the rear axle of the vehicle. (Fig. 2) Removal 1. Remove the fuel tank cap. 2. Drain the fuel from the fuel tank before removing the tank from the vehicle via drain plug. Do not drain or store fuel in an open container to avoid possibility of fire or explosion. Put lid on container. Unscrew banjo bolt and disconnect suction line from fuel tank strainer. 3. Unscrew banjo bolt and disconnect suction line from fuel tank. (Fig. 3) 3a. Remove QC connection on tank top. 4. Disconnect the fuel gauge unit connector.(Fig. 3c) 5. Disconnect the fuel filler neck and connecting hose Remove the clamp assy.(Fig. 3a) 6. Loosen the fuel tank mounting screws1, 2, 3 & 4 and take out the tank from vehicle.(Fig. 2) Inspection 1. After removing fuel tank, visually inspect fuel tank for deterioration, leaks and damage. Replace if necessary. Note : Any repair on fuel tank using external heat or flame may result in personal injury or damage. Fig. 2 1 2 3 4 Fig. 3 Fig. 3a FUEL GAUGE UNIT CONNECTOR RETURN CONNECTOR SUCTION CONNECTOR
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