Fuel filters for VAZ 2110–2112: do-it-yourself replacement

If you want your engine to serve you faithfully for a long time, pay attention to the little things. One such “minor” but significant detail is the fuel filter. Every motorist living in Russia knows about the low quality of domestic fuel and often encounters dusty road surfaces. These two factors directly affect engine performance, as tar, dust, dirt and condensation clog the fuel filter, causing contaminated fuel to leak into the engine. To prevent this from happening, car owners should change the fuel filter in a timely manner. Well, how to do this, which filter to choose and when to change it, we will tell you in this article using the example of the domestic VAZ 2110 car.

Signs of a clogged fuel filter

What are the consequences of a clogged fuel filter for a car? At best, it may simply not start. At worst, dirt particles will get into the engine and over time this will lead to engine failure.

To prevent this, pay attention to the signs that appear and take action in time. The main symptoms of a “clogged” fuel filter:

• The engine jerks and jerks when moving;
• When driving (especially uphill), power drops;
• The engine stalls
• The engine will not start
• Fuel consumption increases

All these signs are especially noticeable during the cold season.

If you determine that the time has come to change the fuel filter and even find signs of it being clogged, do not rush to grab your head and immediately go to a service station. Replacing a fuel filter is, in fact, not such a difficult operation and you can handle it yourself. The main thing is to follow the instructions below exactly and you will succeed. Isn’t it nice to save 200-1000 rubles and feel like a real mechanical expert?

But before you start replacing the fuel filter yourself, you should prepare everything for the upcoming operation and take safety precautions.

Types of filters: which ones are better

Car enthusiasts who are about to change coarse or fine filters for the first time often ask other VAZ owners which filter element is best to choose. The cost of products from all manufacturers is approximately the same, so you want to get competent advice “first-hand” and avoid incorrect recommendations.

On car owner forums, filters from the Big and Mahle brands are most often mentioned. It should be remembered that no one is insured against manufacturing defects.

However, VAZ owners often support domestic manufacturers by purchasing Salyut filters. The most popular parts are:

• article UT-00002606, catalog number 21080–1117010 - with sump;
• article 00000011756, catalog number: 21230–1117010;
• article: 00000009674, catalog number 21120–1117010.

The Salyut filter differs from analogues in its acceptable quality and more than attractive price

Instructions for replacing the fuel filter on a VAZ 2110

1. At the first stage, do not ignore the following recommendation, which will help you replace the fuel filter more carefully.

Reduce the pressure in the fuel line before removing the fine filter

This is done this way - remove the fuse responsible for the fuel line, then start the engine and let it run until it stalls.

1. Disconnect the negative cable from the battery.
2. The fuel filter is replaced using an inspection ditch or lift. First of all, you need to find a cleaning filter. As you remember, it is made in the form of a cylinder and is located under the car, in the area of ​​the gas pipeline and beam. It is attached to the bottom of the car using clamps; in addition, two fuel line hoses are connected to it. (See photo.)
3. Take a container prepared in advance and place it under the fuel filter in case any remaining fuel leaks out.
4. Now you can take out the filter. Holding the filter with a 19 wrench, use a 17 wrench to unscrew the fitting, gradually draining the fuel into a substitute container.

If the mounting points are very dirty, clean them and, if necessary, use a WD tool.

1. By analogy, disconnect the second fitting.

1. Use a 10 key to loosen the clamp and remove the old filter.

When replacing an old fuel filter with a new one, pay attention to the condition of the clamp; it may also need to be replaced.

1. Once removed, the old filter can be disposed of. Next, we install a new filter; when installing it, pay attention to the fact that the arrows on the fine filter housing should be directed towards the left side of the car (in the direction of fuel flow).

1. After installing the new filter and fuel pump fuse, tighten the fitting nuts and check the connections for tightness with the engine running. There should be no leaks on the fuel line.

When to change the coarse filter

The condition of the fuel system can be determined by the developed pressure and performance. For these purposes, a pressure gauge is connected to the fuel system through a special adapter. It is better to do such diagnostics at a service station. At home, you can determine the performance of the fuel pump approximately this way:

• The ignition turns on. At the same time, the absence of a characteristic hum indicates that the pump is not working or, conversely, strong noise when the pump operates under heavy overload, which shortens its service life.
• If, when the car is moving in fourth or third speed, the driver presses the pedal and the pump performance drops, this indicates a problem in the fuel system.
• A spontaneous drop in speed while driving indicates problems with fuel supply from the gas tank.
• The reasons for such deviations will most likely be clogging of the coarse filter or fine fuel filter. In the first case, replacing the VAZ 2110 coarse filter may not be necessary; it is enough to try to wash the element, although this will only have a temporary effect. It is better to purchase a new part, the price of which is reasonable, and installation by yourself is quite simple and will not take much time, but the reliability of the gas pump will increase for a long time.

How to clean the coarse filter of a VAZ 2110 car

Before starting work you need to purchase:

• Gaskets for installation under the fittings located in the fuel line.
• Seal for VAZ fuel pump.
• Compressor.

The instructions indicate that cleaning the coarse filter on a VAZ 2110 car is carried out after removing it from the gas tank. To do this:

• The car is de-energized.
• The cushion is removed from the rear seat.
• The cover is removed from the hatch after unscrewing the screws.
• The electrical connector is removed.
• The fitting on the tube through which fuel is supplied is disconnected.
• The tube is moved to the side.
• In the same way, the fitting on the drain pipe tube is disconnected, which is also moved to the side.
• The pressure ring is removed.
• The fuel pump is lifted, the float is removed from the hole in the tank, and the fuel pump is removed simultaneously with the fuel level sensor.
• In the fuel pump, in its lower part, there is a filter for coarse fuel purification. The detail is shown in the photo.

Coarse filter for VAZ 2110 car

It is difficult to visually identify very small, translucent particles of dust or dirt; the filter seems clean, but you still need to wash it.

• The element is washed well with the same detergent and a brush with fine bristles (for example, a toothbrush).
• The coarse filter must be blown from the compressor with compressed air. If there is no compressor, the mesh simply dries out in the open air. It is necessary to prevent the entry of dust and dirt during this period.

• Assembling the fuel pump on a VAZ 2110 car is carried out in the reverse order of removal.
• The ignition is turned on and the operation of the fuel system is checked.

How to properly replace the VAZ 2110 coarse filter is clearly visible in the video. With timely and proper care of the fuel pump mesh, major problems with the operation of the fuel system can be avoided.

Which is better - replacing or cleaning the filter element?

In some cases, if the filter resource has not yet been fully exhausted, car owners resort to such an operation as cleaning. To do this, you will need to disassemble the filter housing and blow it out with a can of compressed air or a conventional pump. Typically, this procedure allows you to restore its throughput and quality of gasoline purification.

After dismantling the product, it will be necessary to replace the rings and check the thread pattern of the fasteners

However, not all car owners note the advisability of such an operation. If any operational problems occur, it is best to immediately replace the filter. Moreover, the rubber seals will need to be changed every time after its removal.

The fact is that any new product will work better than a cleaned old one. In addition, the cost of fuel filters for the VAZ of the tenth family is such that every driver can afford to buy this element.

Table: is it worth changing the part: pros and cons of installing a new kit

Purpose and types

An important element of a car's fuel system is the filter. Its purpose is to purify gasoline as it passes from the tank to the engine cylinders. Over time it becomes clogged and you will need to replace the filter. So:

• It can be done in fifteen minutes in a simple way
• Requires a minimum number of tools (a person seeing this filter for the first time can handle it) and a little diligence
• You can buy a fuel filter for the VAZ 2112 model without any problems at any auto parts store.
• Externally, it looks like a small barrel with fastenings on the sides (Photo above).

There are two types of fuel filters with two options for connecting them. Joining is carried out through:

• Or a threaded connection (when tubes are inserted into the filter and screwed with fittings) as on the VAZ 2112
• Or using special wire retaining earrings (they are pulled out, then it becomes possible to remove the fuel hoses and install a new fuel filter; after connecting the hoses, we return the earrings to their place) as on the VAZ 21124

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Instructions for replacing filter 21120-1117010 are presented below.

• Relieve pressure in the fuel circuit.
• Unscrew the fuel pipes.

Loosen the clamp.

Remove the filter.

• Check the O-rings and replace them if necessary.
• Install a new filter.

Where is it located?

If you feel how, while driving, your “iron horse” loses power from time to time and moves jerkily when changing gears, then changing the fuel filter (hereinafter referred to as TF) of the VAZ 2110 is simply necessary. If you decide to change an element yourself, then first you need to know where it is located. Unlike its predecessors, where the TF was installed under the hood, engineers installed this component of the system in the VAZ 2110 injection cars next to the gas tank. To gain access to the element, simply crawl under the bottom of your car.

Location of TF VAZ 2110

Precautions

When replacing the fuel filter, it is recommended to adhere to the following precautions:

• It is imperative to avoid smoking in dangerous proximity to the car.
• Place a fire extinguisher within reach.
• Use safety glasses to avoid the possibility of gasoline getting into your eyes.
• If work is carried out in a viewing hole, then it is necessary to ensure that the room is well ventilated.
• If gasoline gets on your skin, it is recommended to immediately wash it with soap and water.
• Try to avoid spilling fuel on the ground or nearby body of water to prevent environmental pollution.

The process of replacing the fuel filter is a fairly simple procedure that can be performed in a “garage” environment and without the use of specialized tools . Timely implementation of this procedure guarantees stable operation of the engine, eliminating the likelihood of its clogging, as a result of which it is possible to significantly increase its service life fusion and increase traffic safety.

Important points during work

You should always remember that even when the fuel pump is turned off, there is still fuel in the system, which will flow out through these hoses. It is for this simple reason that you should not smoke while doing work or illuminate yourself with a candle or match. It is advisable to take a 0.5–1.0 liter can with you to drain the remaining fuel.

If while driving you notice jerking at speed or weak engine thrust, then it is quite possible that it is time to change the filter. Before doing the work, you need to go to a car store and buy a new one for the VAZ-2110 model.

It is advisable to acquire keys for 10, 17, and also 19 and a head. All this will allow you to make the change more quickly and comfortably. Every driver must remember that there is a lot of pressure in the pipeline system, so you need to be extremely careful. Once again, it is worth noting that you need to purchase only a high-quality, original VAZ-2110 fuel filter. The price for it can be about 200 rubles.

Security measures

Remember, you are working with fuel. Therefore, you need to protect yourself and everything around you. To do this you need:

• Do not smoke during repairs. Even a small fire can lead to a large fire that can spread far beyond your garage. Especially if you are in a garage co-op;
• Have a working fire extinguisher in the immediate vicinity of the workplace;
• Ensure ventilation of the work area. It is best to work outside, but since there may not be an inspection hole there, and it is almost impossible to organize a lift, open the garage door completely or even turn on the fan so that it expels fuel vapors from the garage to the street;
• If you get flammable on your skin, be sure to wash the area using soap.

New fine filter

Why do they replace?

As we noted, the filter serves to clean the fuel from all kinds of impurities. If you don't get rid of them, this can lead to sad consequences:

• The presence of resin impurities negatively affects the power supply to the motor;
• If condensation gets into the fuel, the corrosion process will begin inside the engine and its elements; in winter, problems may arise with starting the power unit, since water freezes in the fuel line;
• Impurities in the fuel affect power, which can drop noticeably if the filter is dirty.

By replacing this element in a timely manner, you can avoid a number of problems and breakdowns. The service life of the fuel filter depends on the load on the engine and vehicle, as well as on the quality of the fuel being poured.

Filter used

According to the operating manual, the fuel filter on the VAZ 2110 should be changed every 20 thousand kilometers. However, if the operating conditions of the machine are extreme and the quality of the fuel used leaves much to be desired, the cleaning element will have to be changed much more often.

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The fuel filter on VAZ 2110, 2111 and 2112 cars does not differ from each other, since these cars were built on the same platform - Lada 110. The main difference in the fuel filters on these cars is whether it is a carburetor or injection version.
On all trim levels of these vehicles, it is removed from the gas tank. The main manufacturer of original spare parts is Russian. Also in the original there may be filters from (LAAZ). On VAZ 2112/2111/2110 cars with an injector, 2 fuel filters are installed - the main one, which is also a fine filter. Additionally, there is a filter mesh (coarse), which is located in the tank and attached to the fuel pump. It differs depending on the engine size of the above-mentioned cars.

On injection VAZs with a volume of 1.5 they put 2112-1139200, on 1.6 - 1118-1139200 (new model). Also, on the relatively rare version of the VAZ 2112, there is a different filter mesh in the back, from Priora.

Article number and approximate cost of a branded VAZ 2112 filter

The VAZ 2112 mainly uses the original fuel filter 21120-1117010. Its price ranges from 200 to 300 rubles. In addition to the branded product, there are its analogues on sale. The table below provides a list of the best alternatives to a branded filter.

Table - Optimal analogues of a fuel filter with nuts

On VAZ 2112 cars with a 16-valve engine, an original filter with article number 21230-1117010 is used. The consumable costs about 200-300 rubles. It differs from 21120-1117010 in that it is attached to the fuel line. Instead of nut fixation, pipes with clips are used. The consumable has a lot of analogues. The best of them are presented in the table below.

Table - Analogs of fine fuel filter with clips

In addition to the fine filter, the VAZ 2112 has a mesh that catches large debris. Most cars use a filter with catalog number 2112-1139200. The cost of consumables ranges from 30 to 80 rubles. It is also possible to buy an analogue. The best alternatives are presented below.

Table - Fuel filter screens for a VAZ 2112 car with a 1.5 liter engine

On cars with a 1.6 liter engine there are filter meshes with catalog number 1118-1139200. Their price varies from 50 to 100 rubles. You can see the best analogues of the original consumables in the table below.

Table - Fuel filter screens for a VAZ 2112 car with a 1.6-liter engine

Signs of a clogged restrictor

Coarse filters (restrictive meshes) are designed to capture the largest particles. They are installed on the neck of the fuel tank, intake, inlet fitting or directly in the fuel pump. Diesel engines are additionally equipped with sedimentation tanks that capture not only dirt, but also condensate.

Signs of a clogged filter include unstable engine operation, engine shutdown without the driver's desire, and problems with starting. During the process, the protective mesh may partially clear spontaneously, which will allow the car to start, but the effect will not last long.