Replacing the fuel filter - do it yourself
Machine operation

Replacing the fuel filter - do it yourself


The fuel filter performs an important function in a car. Although gasoline seems transparent and clean, it can contain a large amount of any dirt that eventually settles on the bottom of the tank or on the fuel filter.

It is recommended to change the filter after 20-40 thousand kilometers. If you do not do this, then all the dirt can get into the fuel pump, carburetor, settle on the walls of the liners and pistons. Accordingly, you will face a more complex and expensive process of repairing the fuel system and the entire engine.

Replacing the fuel filter - do it yourself

Each car model comes with detailed instructions, which indicate the location of the filter. It can be located both near the fuel tank and directly under the hood. Before removing a clogged filter, make sure that there is no pressure in the fuel system. For this you need:

  • remove the fuel pump fuse;
  • start the car and wait until it stops working;
  • remove the negative battery terminal.

After that, you can safely proceed to extract the old filter. Usually it is attached with two clamps or special plastic latches. It is attached to the fuel pipes with fittings. Each model has its own fastening features, therefore, when removing the filter, remember how it stood and which tube was screwed to what.

The fuel filters have an arrow indicating which way the fuel should flow. According to her, you need to install a new filter. Figure out which tube comes from the tank, and which one leads to the fuel pump and to the engine. In modern models, the auto filter simply will not fall into place if it is not installed correctly.

Replacing the fuel filter - do it yourself

Included with the filter should be plastic latches or clamps. Feel free to throw away the old ones, because they weaken over time. Insert fuel pipe fittings and tighten all nuts well. With the filter in place, put the pump fuse back in and put the negative terminal back in place.

If the engine does not start the first time, it does not matter, this is a common occurrence after depressurizing the fuel system. It will definitely start after a few attempts. Check the integrity of the fasteners and for leaks. Do not forget to wipe everything well and remove all rags and gloves soaked with fuel.




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