Attention! The procedure is given on the example of vehicles with a diesel engine.
Withdrawal
1. Remove all available fuel from the tank if it has not been used up. In workshops, a special device for pumping fuel VAS 5190 is used for this (see illustration 3.1).
2. Remove the rear seat.
3. Unscrew the bolts (see arrows in illustration) fixing the cover on the bottom, which closes the fuel priming pump with the fuel gauge sensor.
4.3. Unscrew the bolts (see arrows) fixing the cover on the bottom, which closes the fuel priming pump with the fuel gauge sensor
4. Disconnect plugs 1 and 2 from the cover of the fuel priming pump (see illustration).
4.4. Disconnect plugs 1 and 2 from the cover of the fuel priming pump
5. Disconnect the supply 2 and return 1 fuel lines from the cover of the fuel priming pump (see illustration).
4.5. Disconnect the supply 2 and return 1 fuel lines from the cover of the fuel priming pump
6. Vehicles with parking heater. Disconnect the parking heater fuel line.
7. Unscrew the ring nut using a special wrench, catalog number T10202 (see illustration).
4.7. Unscrew the ring nut using a special wrench, catalog number T10202
8. Remove the fuel priming pump cover together with the seal from the hole in the fuel tank, and then disconnect plugs 1 and 2 on the underside of the cover (see illustration).
4.8. Disconnect plugs 1 and 2 on the underside of the fuel priming pump cover
9. Move the pump cover with the fuel lines connected to it up (see arrow in illustration).
4.9. Move the pump cover with the fuel lines connected to it up (see arrow)
10. Put your hand into the opening of the fuel tank and disconnect the holder! fuel return line inside the tank (see arrow in illustration).
4.10. Insert your hand into the opening of the fuel tank and disconnect the holder 1 of the fuel return line inside the tank (see arrow)
11. Insert your hand into the opening of the fuel tank and disconnect the guide tube 1 of the fuel line (see arrows in illustration) and remove the fuel line.
4.11. Put your hand into the opening of the fuel tank and disconnect the guide tube 1 of the fuel line (see arrows)
12. Gently press on the leashes (see arrows in illustration) tee 2 and disconnect the fuel line 1 from the tee.
4.12. Gently press on the leashes (see arrows) tee 2 and disconnect the fuel line 1 from the tee
13. Turn the fuel priming pump in the tank with a special key, for example, key 3307, approximately 15°to the left as far as it will go, thus releasing it from the bayonet clamp (see illustration).
4.13. Turn the fuel priming pump in the tank with a special key 3307 about 15' to the left as far as it will go, thus releasing it from the bayonet clamp
14. Make sure that recess 1 on the pump housing is set opposite mark 2, and carefully remove the fuel priming pump (see illustration).
4.14. Make sure that notch 1 on the pump housing is aligned with mark 2
15. Remove the fuel gauge sensor (see arrows in illustration).
4.15. Remove the fuel gauge sensor (see arrows)
Installation
The fuel priming/fuel pump is installed in the reverse order of removal.
16. Install the fuel gauge sensor in its seat and gently push the sensor until the lock clicks (see arrow in illustration).
4.16. Install the fuel gauge sensor in its seat and gently push the sensor until it clicks into place (see arrow)
17. Install the fuel priming pump in place so that the notch 1 on the pump housing coincides with mark 3 (see illustration 4.14). Then turn the fuel priming pump with the key 3307 all the way to the right so that notch 1 is set opposite mark 2 (see illustration 4.14).
18. Make sure that pointer 1 on the fuel priming pump cover is opposite mark 2 on the fuel tank (see illustration).
4.18. Make sure that pointer 1 on the fuel priming pump cover is opposite mark 2 on the fuel tank
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