Attention: work must be carried out in compliance with fire safety measures.
1. Disconnect the negative battery cable. Suck the fuel out of the tank into a clean metal container that can be sealed tightly. Alternatively, while working under the vehicle, disconnect the fuel line from the tank and drain the fuel into a suitable container.
2. Measure the length of the exposed thread of the short handbrake cable at the equalizing joint (for subsequent installation) and disconnect the cable.
3. Remove the exhaust system (see section 30) in order to provide space for removing the tank.
4. Disconnect the long handbrake cable from the rod.
Figure 3.4. Measuring the exposed thread of the short handbrake cable (shown by arrow)
5. Bend the bracket under the tank up and back.
Figure 3.5. The exhaust pipe runs under the fuel tank, but above the rear axle beam
6. Disconnect from the tank and clamp the fuel outlet line (see photo). Please note that on injection models it is connected to the fuel gauge sensor (see photo 6.2).
Photo 7.6. Fuel tank outlet hose (carburetor models).
Figure 3.6. Connecting the handbrake cable to the rod (shown by arrow)
7. Disconnect the wiring from the sensor terminals.
Figure 3.7. Rubber buffers on the left fuel tank mounting bracket (shown by arrows)
8. Release the clamps and disconnect the filler neck hose and short vent hose from the tank (see photos).
Photo 7.8A. Fuel filler hose and fuel tank vent hose connections.
Photo 7.8B. Location of the filler neck hose/vent hose under the rear fender.
9. Support the tank with a jack, placing a wooden block underneath it.
10. Loosen the tank mounting brackets (see photo) and lower the tank so that the long ventilation hose and fuel supply line can be disconnected from it (where are there).
Photo 7.10. Fuel tank mounting bracket.
11. Remove the tank from the car.
12. If there is sediment or water at the bottom of the tank, you can clean it by rinsing it 2-3 times with kerosene and shaking it vigorously. Before flushing, remove the sensor from the tank (see section 6). Let the kerosene drain completely.
13. If the tank was removed to fix a leak, it should be taken to a specialist for repair. Do not attempt to weld or solder the tank yourself under any circumstances, as it contains explosive gasoline vapors.
14. The tank is installed in the reverse order. Please note the following points:
- a. Replace the hose clamps with new ones
- b. Check that the rubber buffers are in place on the left tank mounting bracket (see figure 3.7)
- c. Check the adjustment of the hand cable (see chapter 9).
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