Pic. 471. The arrow shows the drain plug to remove condensate. The filter is fixed with clamp A
Pic. 472. Connection points located on the top of the fuel filter: 1 - hose to the fuel tank; 2 - fuel line to high pressure fuel pump; 3 - return fuel line from high pressure fuel pump; 4 - fuel return line to the fuel tank (shown by arrow); 5 - retaining clamp
The fuel filter should be changed every 30,000 km, and every 15,000 km or 12 months it should be freed from condensate accumulated in it. The filter is located in the engine compartment of the engine (pic. 471). On fig. Figure 472 shows the top view of the filter, where you can see the connections located on it. In order to gain access to the drain plug, it is necessary to raise the front of the car.
To drain the condensate, unscrew the screw plug of the bleed hole (shown by the arrow in Fig. 471), which is located at the bottom of the filter, and drain the fuel along with water (about 100 cm) until only fuel comes out, no water. After that, reinstall the plug.
Pic. 473. Type of fuel filter elements (the arrow shows the direction of fuel flow, which should be observed when installing the fuel filter): 1 - return pipeline from high pressure fuel pump; 2 - inlet hose for injection pump; 3 - sealing ring; 4 - control valve; 5 - locking clamp; 6 - return pipeline to the fuel tank; 7 - supply hose from the fuel tank; 8 - fuel filter; 9 - gasket; 10 - condensate drain plug
At the top of the filter is a control valve, which is fastened with a spring clamp 5 (pic. 473). When replacing the filter, remove the spring clamp and remove the control valve with the pipelines placed on it in an upward direction. Filter secured with clamp A (pic. 471). If the connections on the control valve have been removed, they must be reinstalled according to fig. 472.
After you rev the engine several times, the clear fuel hose should flow at idle with no visible air bubbles.
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