How to replace the fuel filter with your own hands

Fuel filter replacement – обязательная процедура по обслуживанию транспортного средства. Не нужно ехать на станцию технического обслуживания, так как её возможно провести самостоятельно без помощи автомеханика. Важно отметить, что в первый раз замену фильтра стоит проводить под надзором опытного специалиста, друга или знакомого. Это делается для того, чтобы избежать возможных ошибок.

Fuel filter replacement

THAT Fuel filter replacement

To perform the operation, you should know how the filter is arranged and why it is installed in the car. Already by name it is easy to guess that it cleans fuel from various impurities. Fuel rarely meets all technical standards. Visually to see a foreign substance is unrealistic, because gasoline or the same diesel fuel looks like ordinary pure liquid. In practice, the fuel filter ensures durable operation of the engine.


  • 1 Need to replace the filter
  • 2 Time and frequency of replacement
  • 3 Stages of work
  • 4 Getting Started

The need to replace the filter

Without timely replacement there is a chance to stumble upon the following troubles. In the car all the fuel goes through the filter, where all sorts of dirt and harmful components are eliminated. Further, the cleaned fuel enters the engine of the car, but after a certain number of kilometers the filter is clogged and cannot pass the previous volumes of fuel.

There is another uncritical situation in which you can travel for some time. Only in this case the pump installed in front of the filter is subject to excessive wear. If you do not pay attention, then in the future - this can lead to serious damage. In addition, the late replacement affects the problems of movement of the car. Characteristic signs - weak acceleration, as well as reduced responsiveness of the gas pedal. At the same time, the car's system will signal Check Engine, as a result of which it is necessary to go to the auto repair shop, in order to ascertain and eliminate the problem. As a result, a worn part will easily become the cause of a larger breakdown. Therefore, in time to change the fuel filter is the direct responsibility of every car owner.

When to change the fuel filter

Dirt in the fuel tank

Time and frequency of replacement

Many novice drivers, as well as experienced professionals do not always know when to change the fuel filter. Some subconsciously do not recall this procedure, thus trying to save money on car maintenance. However, such savings rarely lead to something good, and under a combination of circumstances can cause a serious accident. It should be noted that the following factors affect the frequency of replacement of the fuel filter:

  • frequency, intensity of operation of the vehicle;
  • car make / country of origin;
  • directly fuel quality.
See also: Cleaning the carburetor with your own hands

Further, the averaged values ​​are given, it is on them that one should be guided while operating the car. For owners of domestic brands (VAZ, IL, etc.) it is recommended to replace approximately every 20-25 thousand kilometers. For foreign cars the same principle applies. Many car owners recommend a replacement during an oil change or other vehicle maintenance. A frequent error occurs during the replacement of oil or candles, drivers do not give due attention to the filter.

Fuel Filter Replacement Period

Old and new filter

Stages of work

The first and most important rule is to comply with safety regulations and all relevant requirements. Violation of which can be dangerous for the life of the car owner. Safety rules:

  1. Do not smoke and do not replace near the source of fire. Any even the smallest spark can cause a strong fire.
  2. You must have a working fire extinguisher on hand. This will allow you to quickly and quickly extinguish the resulting fire.
  3. After carrying out all the work, you must thoroughly wash your hands, remove traces of gasoline from your clothes.

Along with the question of when to change the fuel filter, the information on the required set of tools becomes relevant. Here the driver will be enough: a set of wrenches (10, 17, 19).

In the store, for a good filter, as a rule, the price is set at least 600 rubles. And the price range ranges from 300 to 3000 rubles.

Getting Started

The first step is to disconnect the negative terminal on the vehicle battery. Otherwise, there is a high probability of short circuit and even fire. Next, using the key 17 or 19, we clamp the installed filter, unscrew the nozzle with the help of "10". It is necessary to do this in rubber gloves and protective glasses. This is a mandatory measure of protection against the ingress of fuel to the skin or eyes.

How to change the fuel filter

Fuel filter maintenance

Fuel should be drained exclusively into pre-prepared containers. In the same way, unscrew the fitting located on the other side. Using a wrench, loosen the clamp and remove the filter.

See also: What is the difference between an injector and a carburetor

The installation process is the same as dismantling, only everything is done in the reverse order. When installing it will be useful to replace the fixing clamp, which will positively affect the further operation of the filter. It is necessary to observe the polarity of the filter. There is nothing difficult in this, as the movement of fuel is most often indicated by a large arrow on the part itself. So that when working on you do not sprinkle fuel, reduce the pressure. This is done by pressing on the slide ramp. It will be useful to remove the fuse and allow the engine to work until it stalls. After a replacement is required check how the filter works when the motor is on. In the case of gas leaks, it is recommended to replace the rubber rings - gaskets.

That's all you need to know about how to replace the fuel filter. In this case, the main thing to remember about safety rules and their observance. Following all the recommendations, the replacement will be easy and simple. And if you are asked how often the filter needs to be replaced, then you can safely answer: “every 20-25 thousand kilometers of a car run”.