10.1a Fuel tank (10) petrol models: 1. Filler neck with filter; 2. Connecting hose; 3. Fuel tank ventilation system filter; 4. Box with activated carbon; 5. Rear section of the fuel supply line; 6. Fuel line of the heating/ventilation system during parking; 7. Rear section of the return fuel line; 8. Fuel pump assembly cover; 9. Wiring harness; 11. Connector of fuel line of the interior heating/ventilation system during parking; 12. Fuel supply line connector; 13. Fuel return line connector; 14. Fuel filter; 15. Dosing pump for the interior heating/ventilation system during parking; 16. Fuel tank ventilation system tube
10.1b Fuel tank (3) diesel models: 1. Filler neck with filter; 2. Connecting hose; 4. Rear section of the fuel supply line; 5. Rear section of the return fuel line; 6. Fuel pump assembly cover; 7. Second return fuel line (only on Y30DT engine); 8, 15. Wiring harnesses; 9. Fuel cooling system return line connector; 10. Middle fuel line connector; 11. Fuel supply line connector; 12. Fuel return line connector; 13. Second return fuel line connector; 14. Fuel cooling system valve; 16. Additional heater metering pump
2. Disconnect the negative battery cable. Release any residual pressure in the fuel system (petrol models).
3. Before removing the fuel tank, it is necessary to remove all fuel from it. Since the manufacturers do not provide a drain plug, pump out the fuel with a special pump - be careful, there will still be some fuel left in the tank.
4. Remove the exhaust system components.
5. Release the parking brake cable from the intermediate holders (see accompanying illustration) and clamps and move it away from the tank.
10.5 Intermediate holders (indicated by arrows) parking brake cable fastenings: 1. Fuel tank pump assembly wiring connector; 2. Holders
The source is on the online website [OPELBOOK]
6. Disconnect the fuel pump wiring connector (see illustration 10.5).
7. Place a suitable container to collect the fuel, disconnect the fuel line connectors (see illustrations 10.1a and 10.1b) and close them with suitable plugs.
8. Loosen the clamp and disconnect the connecting hose (see illustrations 10.1a and b) filler neck from the tank.
10.10 Removing the fuel tank using a rigging jack; the arrows indicate the mounting strip bolts
10. Support the tank with a truck jack (see accompanying illustration), first, to distribute the load, place a piece of board on the head of the last one, unscrew the fastening bolts and remove the 2 mounting strips.
12. Gently lower and remove the fuel tank together with the filler neck sleeve, disconnect all supply lines from the tank. If necessary, remove the fuel pump assembly from the tank.
13. Installation is carried out in the reverse order. If the tank is being replaced, reinstall all removable elements from the old one to the new one.
14. Before your first ride, add a small amount of fuel to the tank and check for signs of developing leaks.
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