When to change the fuel filter. How to replace the fuel filter: rules and process sequence

How long does it take to change fuel filter car running on diesel? This question is widespread among motorists. Some drivers believe that the scheduled replacement of the filter element should be done after 25 thousand km. run. Others - change the device in the winter. Who is right, let's see.

Three-stage device for filtering diesel fuel.

Fuel filters for diesel vehicles are different from devices designed to filter gasoline. The diesel engine is very sensitive to the quality of fuel, for its stable operation it is necessary to use the most refined fuel. Therefore, vehicles running on diesel fuel have three degrees of purification of the combustible mixture:

1. Cleaning in the gas tank. A special mesh prevents the entry of contaminants into the fuel system.
2. Rough cleaning. Prevents the entry of large particles.
3. Fine cleaning. Designed to trap small particles of dirt that can clog nozzles.

In addition to preventing the ingress of small particles of dust, soot, plants, insects, the filter must prevent the penetration of water to the combustion chamber. Plus, have a special heating to prevent the formation of paraffin crystals during low temperatures.

Replacement frequency

Obviously: the cost of the specified filtration element for machines running on diesel fuel is high. Therefore, the question arises: “How often should I change the fuel filter diesel car? Let's make a reservation right away, it's not worth saving on consumables, replacing a diesel engine will cost more.

You can find all the necessary information on the frequency of replacing the filter device in the car's operating manual. It is important to choose the right filter element. It must be suitable not only in size, but also have the necessary throughput and degree of filtration. The manufacturer in the manual indicates the type of filter and filter material. The use of a filter device that does not match the parameters can harm the motor - this will lead to a decrease in the engine resource.

For most car models running on diesel fuel, a scheduled replacement of the fuel filter is performed after 40 thousand km. run. At the same time, dealers insist that when using the machine in extreme conditions, it is necessary to reduce the interval between scheduled replacements of the filter element by 30-50%. TO extreme conditions include:

• very hot climate;
• high load of the motor;
• increased dust content in the air;
• frequent transportation of heavy loads or a trailer;
• the use of diesel fuel of dubious quality;
• extreme driving style and so on.

All these factors reduce the life of the filter, lead to its premature wear, and it is necessary to change the specified device more often.

An unscheduled replacement of the fuel filter is carried out, noticing the following symptoms in a car:

• "troit" motor;
• while driving, the car loses power sharply;
• the car is slowly gaining momentum;
• increased fuel consumption.

Having noticed these problems, look at the condition of the filtering device, perhaps the reason is precisely in it.

Why in winter?

Harmful effect of paraffin on the filter element

In winter, at a certain temperature, paraffin is formed in low-quality diesel fuel, which can clog the fuel filter. Therefore, experienced drivers carry a spare filter device if the machine is operated in a region with a temperature of -20 0 C and below. In this case, if the filter becomes clogged, it can be replaced with another one.

There are drivers who prefer to install heated filters or use anti-gel. When heating the fuel liquid, paraffin does not crystallize, the need to carry additional element filtering is lost. The use of special liquids that prevent the formation of paraffin crystals also solves the problem of unscheduled filter replacement due to low temperatures.

Based on the foregoing, we can conclude: it is necessary to change the filter device of a diesel car according to the recommendations of the car manufacturer, and not only when low temperatures occur.

It is necessary to monitor the condition of the filters in the car at each maintenance, since the operation of the engine and transmission, as well as the health of the driver and passengers, directly depends on their condition. Untimely replacement can lead to serious consequences and it is enough expensive repairs. There are several ways to independently determine the need to replace certain types of filters.

What is the filter used for?

A car filter is a device designed to clean the engine and transmission oils, as well as the air used during engine operation and. Quite strict requirements are imposed on filters: compact dimensions, reliability of operation in critical conditions (high pressure, cold start, etc.), reduced resistance to oil or air flow, maximum possible removal of harmful substances.

Five types of filters are used in a modern car: oil, fuel, air, cabin and particulate. All, except for soot, have their own service life and must be replaced

Five types of filters are used in modern automotive industry: oil, fuel, air, cabin and particulate filters. All filters, with the exception of particulate filters, have their own service life and must be replaced. It depends directly on the operating conditions of the car, and replacement is usually regulated by the manufacturer.

The bypass valve provides oil to the engine in cases where it does not pass the filter element. This happens when the element is dirty or when sharp increase revolutions of the crankshaft, as well as when the oil thickens in the cold. The purpose of the non-return valve is to keep the oil in the filter when the engine is not running to ensure that the pressure in the system rises quickly when the engine is started.

The filter check valve is made in the form of a rubber ring of variable cross section, the elastic properties of which are lost over time. In this case, the oil from the filter is drained after the engine is stopped, and at the next start, there will be no pressure in the lubrication system until the filter is filled with oil again. Such a delay entails increased engine wear. There are filters in which the check valve is made in the form of a thin rubber disk. Its tight fit to the surface of the cover is provided by a metal spring. This design is more reliable and durable. For the same model, you can find filters with different designs of the check valve. Special paper with high porosity is used as a filter material. To make the filter element water resistant, the paper is impregnated with phenol-formaldehyde resins. You need to change it. Typically, the service interval is 10-15 thousand kilometers - this is an average figure calculated by the manufacturer, which must be followed. Now on the market, along with recognized leaders (such as Mann, Union, Knecht), there are filters from unknown manufacturers. Picking up several different oil filters from different manufacturers, it is impossible to find differences between them, they are so similar to each other. The consequences of using a low-quality oil filter are far from harmless. A faulty emergency valve will allow oil to bypass the filter, creating conditions for increased engine wear. Or it can jam so that the filter housing bursts, the oil will leak out and the engine will be left without oil at all. Such cases occur, especially in winter, at temperatures below -30 degrees. also have an oil filter, which is located in the crankcase. It is replaced every 30 thousand kilometers. On gearboxes in cars over early years iron filters are installed, they are usually washed when changing the oil.

serves to clean atmospheric air entering the engine, and is an "accordion" of filter material with seals along the edges, which prevent air from entering the engine bypassing the filter element. It usually changes during maintenance on the recommendation of the manufacturer. But when driving on dusty roads, the need for replacement may come faster, and if you miss this moment, you can ruin the engine. Fortunately, you don’t have to go to the service to check the air filter, just open the hood, pull out the filter and see its condition. The filter housing cover in almost any machine is mounted on latches that are easy to remove. And if it is very dirty, it is better to put in a new one without waiting for maintenance. By the way, experienced drivers who open the hood of their car not only at a car service, along with checking the oil level in the engine, look at the condition of the air filter, and sometimes even blow it with air from the pump

Air Filter sports competitions, or for tuning. Installing such a filter on an ordinary car is meaningless, since its price is high, and it does not give advantages to the engine without special forcing. The manufacturer recommends changing it, like a regular one, after 10 thousand kilometers. It is curious that athletes change such a filter after one or two races.

Filter Some drivers try to save money: instead of replacing, they wash the filter with water and install it back. There is no point in this, since the absorbed dirt cannot be removed in this way. But the fibers of the filter element after "washing" lose their throughput.

necessary to clean the air entering the car interior. The filter element is made of activated carbon and filters the air like a gas mask. But it should be remembered that the absorbing capacity of activated carbon is not unlimited and its resource is limited. If it is not replaced in time, it will work like a regular filter, retaining only mechanical impurities.

Cabin filter In addition, it has one more function. The cabin filter protects the air conditioner evaporator (a small “radiator” located in the same place as the heater radiator) from clogging with debris. major cities cabin filters clog much faster than what is written in the instruction manual, so they are changed as needed. This measure can be determined by the following features. If in humid weather or the stove fan is turned on at maximum speed, and the air barely enters the cabin, this is a sure sign that it is time to change the cabin filter. Manufacturers recommend replacing them together with an oil change - once every 10 thousand kilometers.

is designed for additional purification of fuel before it is fed into the fuel line of the engine. IN modern cars there are two types of fuel filters: main (installed directly into the fuel line) and submersible (which are installed in the fuel tank along with the fuel pump). The quality of fuel, even in large cities of Russia, leaves much to be desired, so you need to change the filter strictly according to the manufacturer's recommendations specified in the instructions. The consequences of driving with a dirty fuel filter are clogging of the fuel system and fuel injection nozzles, which will lead to uneven engine operation and loss of power. In the worst case, the engine will not start at all. Manufacturers recommend changing fuel filters once every 20-25 thousand kilometers.

Particulate filters

are installed only to comply with their Euro-5 standards and above. They serve to trap soot and particulates in automotive exhaust gases and do not need to be replaced, as they are designed for the entire life of the engine. They are cleaned independently by the post-injection process (fuel is injected into the cylinder during the stroke of the stroke) on command. It happens that computers fail and particulate filters become clogged. The light on the control panel lights up, and the computer issues an engine malfunction error. In such cases, the filter must be cleaned. This can be done in two ways. The first is by electrochemical method on a special stand. This is exactly what official dealers offer, this procedure costs about 8-10 thousand rubles. But there is no need to rush, as there is a second method, which is called “forced post-injection”. This mode is set from the diagnostic computer, and within 20 minutes the filter becomes operational again. This method is much cheaper and costs a little more than a thousand rubles.

Particulate filter The condition of car filters must be carefully monitored, but more than one manufacturer does not give exact recommendations for replacing filters. Such decisions are made on the basis of the recommendations of service books and vehicle operating instructions, dealer center specialists, experienced drivers with a long history. But when to do this - each car owner decides for himself.

Stable and efficient engine operation on Lada Grant cars is ensured by spark plugs, air and fuel filters. Manufacturers establish a certain frequency of changing filter elements: under normal operating conditions, they are changed every 25–30 thousand kilometers traveled. Many experts advise changing filters for the fuel system one and a half to two times more often than indicated by the manufacturer in order to maintain the performance of the power unit.

Fuel filters "Lada Granta"

The cleanliness and efficiency of the gasoline filter have a significant impact on the operational life of the fuel system of the vehicle. There are two main functions of the TF installed on the "Grant":

• protection of the diesel power unit and other components of the fuel system of the car from the negative effects of impurities contained in low-quality diesel fuel;
• delay and elimination of third-party substances and neutralization of their negative impact on the power unit of the car.

The performance, cleaning efficiency and working life of the Lada Grant gasoline filter have a direct impact on the operation and functioning of other vehicle systems.

The MANN brand filter element is one of the most efficient and reliable

The design of the fuel filter is standard for all AvtoVAZ vehicles. The part is small in size and resembles a cylinder with two outlets. It consists of two parts:

• a coarse cleaning element for removing large impurities from the fuel;
• a fine cleaning element that retains fine fractions.

The fuel entering the engine is qualitatively cleaned of third-party components and dirt, passing through a set of filters. Efficiency of work depends on purity of cellular structures. After the inside of the element is clogged with dirt, it must be replaced with a new one.

Cars of this brand during assembly are equipped with "native" fuel filters 2190–1117010. On both sides of them there are latches with which it is attached to the fuel system. Similar elements of the old model were previously installed using a threaded connection, but in the "Grant" they were replaced with parts with latches.

Catalog number of the fuel filter "Lada Grant" - 2190–1117010

The cost of a consumable is about 200-250 rubles.

Fuel filters installed on different models of Lada cars have a similar design, but are not interchangeable. The new filter element must match the car in terms of basic parameters. The packaging usually contains information on which makes and models of cars it is suitable for. To avoid mistakes, it is best to purchase gas filters from the automaker and the model that the car is equipped with at the factory.

Location of fuel filters

You can find the gas filter on the Lada Grant under the bottom - in the same place where the gas tank is located. Since the TF is part of the fuel line, it is attached not far from the gas tank with special latches. In view of its such location, any manipulations with it should be carried out after raising the car on a flyover, jack, or driving it into a viewing hole.

The fuel filter "Lada Granta" is located under the bottom of the car from the side of the gas tank

Coarse and fine gas filters: replacement and repair

Gasoline filter manufacturers establish replacement procedures that must be followed. The efficiency of diesel fuel cleaning filters retain for 20-30 thousand kilometers. The regulated terms may vary under the influence of various factors - from the conditions in which the vehicle is operated, to the quality of the fuel used and the driving style. You can judge the need to replace the filter device by symptoms that indicate problems in the fuel system or engine.

TF malfunction symptoms

The car's engine and fuel filters function independently of each other, without affecting the operation of each until a malfunction occurs. As gasoline filters are used, their internal cartridges become clogged with impurities retained from diesel fuel, which worsens their throughput and increases the resistance of the fuel line. You can judge the problems with the filters by the following signs:

• the consumption of diesel fuel increases sharply;
• on idling the motor starts to fail;
• it is extremely difficult to start the engine on a cold;
• an increase in the number of revolutions is accompanied by failures in the operation of the motor;
• incomprehensible braking and jerking of the car while driving;
• loss of power and dynamics.

The gradual manifestation of the above malfunctions in the operation of the machine may signal a slow failure of the gas filters. Despite the similarity of symptoms, other defects and breakdowns of the vehicle's fuel system appear spontaneously and abruptly.

The failure of the filter leads to malfunctions in the engine and fuel system of the car.

In addition to possible malfunctions in the operation of the car, its mileage must also be taken into account. Manufacturers recommend servicing the fuel filter on Lada Grant cars in accordance with the following regulations:

• diagnostics and scheduled check of the element - every 5–8 thousand kilometers;
• scheduled replacement of a part - every 25-35 thousand kilometers.

In practice, work efficiency often decreases after 15–20 thousand kilometers, which is caused by complex climatic conditions in the country, poor roads and poor quality of fuel sold.

After the expiration of the periods specified by the manufacturer, it is not worth using the filter elements - even if the filter is working properly, it may unexpectedly fail, which will lead to a breakdown of the fuel system and the car engine.

TF replacement process

The process of replacing the filter element "Lada Grants" is not difficult and does not require a mandatory visit to a service station or service center. The whole procedure takes no more than 15 minutes and is conditionally divided into two main stages:

1. Preparatory.
2. Removing the old filter and installing a new one.

It is desirable to disassemble both stages in detail to facilitate understanding of the replacement process.

Preparatory stage

The initial stage of changing the fuel filter is considered basic preparation, consisting of the following steps:

The dismantling of the old filter and the installation of a new one begin after the completion of all preliminary preparatory work.

Filter element replacement

The fuel filter "Lada Grant" is replaced as follows:

After replacement, it is necessary to check the correct operation of the new filter. If fuel leaks or other malfunctions appear, they are immediately eliminated.

Changing the fuel filter on the Grant, equipped with eight-valve power units, is carried out in a similar way.

Video: installing a new Lada Granta fuel system filter

Filter element change frequency

According to the schedule set by the manufacturer, scheduled maintenance and replacement of the fuel filter on the Grant is carried out every 25-30 thousand kilometers traveled. This regulation is very conditional and can change both up and down depending on the operating conditions of the vehicle.

In regions with the sale of low-quality fuel, it is advisable to change the filter elements every MOT. The cost of a new part is low, while the fuel system of the car will always be in good condition. A plus can also be called the fact that the latches will be kept clean: after 30 thousand kilometers they have to be cleaned of dirt and sand in order to carefully remove the filter without damaging them.

Unscheduled replacement of filter elements on the "Grant" is carried out with a decrease in engine power, its tripling, the appearance of failures in operation during a sharp acceleration. In engine operating modes, accompanied by increased fuel consumption, the increased resistance of the fuel line is most clearly manifested. Dips at medium speeds and other serious signs of malfunction indicate problems with the fuel pressure regulator or gasoline pump.

The performance of the fuel system of the Lada Granta car depends on the health of its individual elements, one of which is the fuel filter. Its timely replacement and maintenance guarantee the normal operation of the power unit of the machine.

The quality of both gasoline and diesel fuel, which is sold in our country, leaves much to be desired, so the need for information about how often should the fuel filter be changed, occurs among motorists quite often. The high content of impurities and sediments provokes rapid wear of the elements of cleaning equipment, so some people have to buy new spare parts twice a year. Naturally, the frequency of operation and the environmental conditions of the area where the car is used play a role here. It's one thing if we are talking about a taxi in a gassed metropolis, and quite another thing about a family car of residents of a well-maintained cottage village, which is used no more than once a week.

Even in the absence of obvious signs of breakdown, it is necessary to check the performance and change the filter mechanism in time. If you do not take into account, how often should the fuel filter be changed and ignore the first signs of its malfunction, then you can find yourself in a situation where a serious engine breakdown occurs. IN in a certain sense, this device is a buffer between hazardous ingredients and parts of the power unit. It will be cheaper to install a good filter than to go to an auto repair shop to install new engine or starter charger. And this applies to both domestically produced cars and any foreign cars.

• inability to start the engine;
• interruptions in the engine;
• progressive decrease in power;
• increase in fuel consumption.

How often do you need to change the fuel filter on diesel and gasoline?

With the exception of the cases described above, it is necessary to focus on the advice that manufacturers give in the technical documentation for the car. If you need to know how often to change the fuel filter on a polo sedan, just open the user manual and find the section you need. As a rule, the automaker indicates an approximate range of mileage (10-40 thousand kilometers) - the best option would be to replace it after 30,000 km. On average, owners of gasoline cars change the cleaning device every 2 years. Please note that additional requirements are imposed on diesel car fuel system filters, namely, they must protect the engine from water penetration.

The car depends on the efficiency of the engine. The purity of the system determines the characteristics of dynamics and speed. Also, the condition of the fuel system has a significant impact on fuel consumption.

Not everyone can see faults in time. Specifications, which decrease over time, do not particularly affect the quality of driving a car. But it will take some time, and various breakdowns may occur. This is a reflection of the situation with the fuel system of the car. It is very important to know what is the frequency of replacing the fuel filter on a particular car.

Indeed, in these very details, the fuel is cleaned, which significantly increases the efficiency of the engine. Over time, filters do a worse job of cleaning.

Causes of typical malfunctions

Many car manufacturers seriously argue that a modern car can work throughout the entire car. However, in reality, such a result is simply impossible to achieve. If filters can work for so long, then only in a sterile laboratory. The quality of the fuel supplied to gas stations in our country is, frankly, low. And there can also be found various garbage, which is not in the best way affects the fuel system. So, garbage and dirt is the cause of all problems with the car.

What is the interval for replacing the fuel filter?

On average, modern automakers recommend replacing filters every 30,000 km. run. Many motorists who have come to this through observation and experience are guided by the same figure. The signal to change the filter is the engine, which "troit" or stalls.

Naturally, things are not always so clear cut. And if you refuel at those gas stations where they offer fuel High Quality, have a more careful driving style, rarely drive on country roads, then you can significantly increase the frequency of replacing the fuel filter. But this is exactly what happens quite rarely.

Three Signs of a Clogged Fuel Filter

It's time for you to change it if your power package is no longer running as smoothly as a new one, if you notice a sharp drop in power, if fuel consumption has increased significantly compared to nominal at this time of the year.

If pollution is only at an early stage, then these problems will not be so obvious. Beginning drivers may experience certain difficulties, experienced ones, of course, will notice all this in time.

If the degree of pollution has reached the maximum stage, the motor simply will not start.

And in addition to replacing filters, the owner will have to flush the motor. If you miss this moment, repairs can be very expensive.

Diesel engines

Replacing the fuel filter on a diesel is a big deal. separate story. It is represented here by several components. So, there is a coarse filter, fine filter, as well as a special separator. All these components of one large cleaning complex have different functions, but they can be placed in a single housing.

The function of coarse filters is to purify diesel fuel from rather large impurities. And what is interesting, you will not find these in the fuel system of passenger cars, but they are on trucks and various agricultural vehicles.

Separator filters are used to purify fuel from water. This element is somewhat reminiscent of a sump. Here, the diesel is sent up, and the water accumulates at the bottom, and then leaves through the drainage.

Details of fine cleaning are used for maximum cleaning of the solarium from the smallest fraction. In most cases, this element is clogged.

Motorists claim that the replacement of the fuel filter on a diesel engine is carried out much more often than on similar ones. petrol cars. And there is also an opinion that replacements are necessary in the winter.

Why in winter?

Here's why. The water that accumulates in the separator freezes at low air temperatures.

This is not the best way to affect the flow of fuel. And instead of intended for winter winter diesel love to buy summer compositions. And in this summer solarium, paraffin is released at low temperatures. He clogs the filters.

Car owners with experience carry with them to winter time an additional spare element in order to quickly install a new one in case of a clogged old one.

Diesel loves maintenance

In order for the diesel engine to work at the peak of efficiency, it is recommended to replace the filters after 8-10 thousand km. Well, you still need to drain the settled mass from it. It is not worth replacing with a shorter frequency. Clogged filters can create elevated levels

"Hyundai"

If you look at the passport of a car of this brand, then manufacturers recommend replacing elements every 60 thousand km. Maybe this is a real figure for Europe, but our realities significantly reduce the frequency.

So, on Russian fuel, the Hyundai fuel filter is replaced every 30, or even 20 thousand km. If with such gasoline the replacement was carried out according to the regulations, many cars of this Korean manufacturer would not have survived to weekdays. Perhaps somewhere the filter is really changed after 60 thousand, but this is not about our country.

If we talk about the Hyundai Solaris, then the figure of 60 thousand kilometers can be trusted, because the Koreans produce it in St. Petersburg and know the situation firsthand.

In this car, to replace it is necessary to remove the rear seat. Under which you can find the fuel module cover.

Below it is a pump and filter. Replacing it with your own hands is very simple.

For diesel Hyundais, the current figure is 10 thousand km. This is the life of the fuel filter.

"Opel"

This manufacturer is known for its high-quality and fairly hardy cars. In the line of models there are both cars with diesel engines as well as petrol engines.

The passport data indicates that for elements that are not integrated into the fuel tank and do not form a single whole with the gasoline pump, the Opel fuel filter is replaced every 30,000 - 45,000 km. This will save power units from increased wear.

In addition, you need to regularly drain water from diesel filters, then everything will be fine with the engine, and the car will please its owner for a long time.

Chevrolet

Cars of this manufacturer are very popular. Often, novice motorists ask questions about the frequency of replacing filters and other consumables. So, the manufacturer in the documentation for the cars indicates that the replacement of the Chevrolet fuel filter should be carried out at least every 25-30 thousand km. This figure is already much closer to our reality.

It is worth considering that when driving on dusty, country roads, you can clog the filter much faster than 30 thousand km.

Timely replacement of filters will not only protect your engines from breakdowns, but also allow you to get great pleasure from driving a car.

"Nissan"

The fuel in its composition contains many different heavy metals, additives and other impurities that can cause early wear of the unit or parts of the fuel system. The relevance of this element in the cars of the Japanese manufacturer is simply invaluable.

With high-quality fuel, the Nissan fuel filter can be replaced no more than once every two years of active operation of the car. But in practice, even if the Japanese recommend performing this operation after 40 thousand km, it is necessary to change the filter after 30 thousand. And this is the maximum in our realities.

Yes, there are 30 thousand, even this frequency is not so unambiguous. This topic causes constant controversy in automotive forums. This can be explained by the fact that if the manufacturer proposes to replace after 40 thousand, then after 5 thousand the efficiency and power of the engine drops sharply. This suggests that the filter is clogged disproportionately to the mileage of the car.

How to determine what should be the frequency of replacing the fuel filter? The fuel system has a filter element. Dirt lingers on it. A vacuum is obtained between the pump and the filter, which increases with the level of pollution. Therefore, the replacement should be carried out at the time of the appearance of this very vacuum.

On Nissan models, there are special sensors for this. Professionals claim that injection engines Nissan has installed special indicators to help determine the level of pollution.

"Kia"

Everything here is similar to Hyundai. The replacement of the Kia fuel filter should also be performed at intervals of 20-30 thousand kilometers. But you need to focus on how the car drives. If efficiency and dynamics have fallen, there will be a replacement.

"Toyota"

According to the manufacturer's recommendation, the Toyota fuel filter should be replaced every 80 thousand kilometers. The filter is located in the gas tank. To access it, you need to dismantle the rear seat cushion.

But such a huge figure is relevant only for the original filters.

Those that are sold with us rarely work out even 30 thousand. And our fuel makes the figure of 80 thousand simply unrealistic. Listen to your car, you will know when the filter needs to be changed.

"Ford"

The manufacturer recommends changing filters every 20,000 miles. This figure is closer to reality. The Ford fuel filter must be replaced at every scheduled maintenance. In various cases with Mondeo and Fusion, it is recommended to replace after 15 thousand km.