why filling your tank to capacity at a gas station is a bad idea

Danger around the sharp bend: why filling your tank to capacity at a gas station is a bad idea


03/25/2024 22:28

Many drivers, when arriving at a gas station, choose to fill the tank to capacity, but experts strongly warn that this should not be done.

This usually happens before a long trip or simply by inertia. Why is it not recommended to fill a full tank?

New vehicle fuel systems are equipped with a complex ventilation system. Therefore, experts warn: when refueling to capacity, this system may be damaged.

The first ventilation valve is a gravity valve, located between the absorber and the fuel tank. When the tank is full, this valve is the first to break if the machine tilts more than 45°.

Then comes the solenoid valve, which is responsible for controlling the injection and fuel supply system. Another valve is located in the neck of the gas tank and supplies air to the tank so that negative pressure is not created.

According to experts, when the tank is filled to capacity, gasoline can flow out through the neck and onto various mechanisms inside the car.

Experts note that these drops can land on the brake discs or get into the muffler, which is especially dangerous since warm air is always present in these places. When heated, gasoline can ignite and even cause an explosion, experts emphasize.

Otherwise, a full tank can cause the air valve to break, which will cut off the fuel supply to the engine and stall the car.

When is it recommended to fill the tank to capacity? For example, in winter, if the car is not used. In this case, filling to capacity helps to avoid the formation of condensation on the walls of the tank, which can lead to rust.

Author Makar Gorshenin

Makar Vadimovich Gorshenin is a student at the Moscow University of Finance and Law, a freelance correspondent for Pravda.Ru.

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