Inertial valve
Release valve 1 to remove it (see fig. 157) in the filler neck of the fuel tank by moving it up.
In the vertical position, the valve must pass gasoline, and when tilted under 450, it must be closed.
Vent valve
Check its patency by connecting an auxiliary hose to it (see fig. 157) and blow through the valve. When the lever of the fuel level sensor is in its original position, the vent valve must be closed. When the sensor arm is moved in the direction of the arrow (see fig. 157), the valve should open.
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