how to flush the gas tank on a VAZ 2109
https://youtube.com/watch?v=2pw3gaEI8UA
After washing the gas tank from dirt, we also wash the dirty filter. Gas tank of the VAZ 2109 (bottom front view). “1” the fuel tank itself, “2” the fuel drain line, “3” the fuel supply line. VAZ 21093, 1.5, 1995. Hello everyone! I removed the gas tank, washed it with plain water, and finally doused it with boiling water. Are there any recommendations? and how to dry the gas tank?2109. My grandfather from the car depot taught me how to rinse. You pour water and sand into the tank, then it’s all a chore and a chore. Find out how to rinse the gas tank. Several ways to clean a gas tank from rust and Instructions for removing a gas tank using the example of a VAZ 2106. High-quality flushing of a gas tank: methods - Then remove the fuel tank of the VAZ 2109 by unscrewing the nuts and holding the gas tank with your hand.4. Rinse the gas tank, or at least remove and blow out the gas inlet. 5. If there is absolutely nothing and nothing to do, remove the inlet in the carburetor and blow it out. Community forum “VAZ: Repair and Improvement” on DRIVE2. I want to wash the tank. I’m tired of changing the fuel filter every week. Tell me who has already encountered this, how to do it correctly and what is the best way to wash it? To flush the gas tank, use Lobomid, MS or ML detergents. Then, to remove any remaining detergent, rinse and steam the gas tank. HELPFUL ADVICE It is recommended to remove the gas tank on VAZ 2108, VAZ 2109, VAZ 21099 cars with an assistant. On domestic VAZ 2110, 2109 it is installed at the bottom, on the VAZ 2106 or 2107 on the side, and on foreign cars again at the bottom. We must not lose sight of the change of seasons, when during the transitional spring-autumn period the tank needs to be cleaned and washed. There are several ways to flush the fuel tank. Flushing with electrolyte. The Nissan gas tank flap lock can be installed on a VAZ.
To completely remove their residues from the surface, it is necessary to rinse the tank with a stream of very hot water. Removing and replacing the gas tank. We carried out the procedure for this procedure on a VAZ 2110 car; on other cars (2107, 2109-2114) the procedure was not - Before cleaning, you should drain the fuel from the tank.
The fuel tank of VAZ 2108, 2109, 21099 cars does not have a drain hole, so to do this, remove it from the fuel intake and thoroughly clean it with a toothbrush soaked in acetone. Wash with gasoline. Cleaning and flushing the gas tank. The gas tank can be cleaned and washed only after it has been completely dismantled. Replacing the gas tank is thus carried out in two planes - under the car and in the cabin. The design of the VAZ 2108, 2109, 2114 and 2115 does not allow the work to be done. Repair manual for the VAZ 2108, 2109, 2114, 2115. Remove fuel level sensor 9 from the tank. To remove dirt and deposits, wash the tank with detergents (Lobomid, ML, MS). After studying the repair manual and this algorithm, there should be no questions left about how to flush the carburetor of a VAZ 2109. Repeat the procedure after 5-7 thousand km. After first use, clean the gas tank as a preventative measure. The fuel tank on the VAZ 2109-2108 is located under the bottom of the car, and is located across the body at the rear. It is not necessary to replace the gas tank very often, since it is quite problematic to damage it, even though it is not protected by anything. After removing the gas tank to wash it, you will need to drain all the sediment from it and then fill it and thereby wash it with clean gasoline. Replacing the gas tank is thus carried out in two planes - under the car and in the cabin. Design of VAZ 2108, 2109, 2114 To flush the gas tank, use Lobomid, MS or ML detergents. Then, to remove any remaining detergent, rinse and steam the gas tank. HELPFUL ADVICE It is recommended to remove the gas tank on VAZ 2108, VAZ 2109, VAZ 21099 cars with an assistant.
Fuel pump design
The fuel pump is located directly in the fuel tank and is driven electrically. Power to the electric motor is supplied from the on-board network of the VAZ 2114. The key component of the pump is a membrane, which, when the electric motor is running, performs reciprocating movements.
The unit is constantly flushed with fuel even at its minimum level in the tank. This design of this part of the fuel system is necessary because a running electric motor gets very hot, and gasoline takes on the additional function of a coolant.
Replacing the fuel filter on a VAZ-2114
The fuel entering the car engine should not contain any foreign particles. Therefore, the design of the fuel system includes a special filter, the basis of which is filter paper. This allows you to trap dust or water that accidentally gets into the fuel tank before it ends up in the engine combustion chamber.
Where is the fuel filter located in the VAZ-2114
The fuel filter on the VAZ-2114 is located on the bottom under the trunk and is included in the fuel line. If you look in the direction of travel of the car, it is fixed slightly to the right of the muffler. To carry out work to replace it, you need a garage with an inspection hole.
On carburetor versions of the car (limited edition, first releases) this part is located next to the fuel pump.
Fuel filter on a car
Symptoms of a problem
It is recommended to change the fuel filter on the injector after 30 thousand kilometers. The malfunction of this part is confirmed by several signs:
- The engine stops after idling for a short time.
- Fuel consumption is increasing.
- Difficulties in engine operation.
- Jerking or sudden stopping of the engine while moving.
Tools for work
To dismantle the filter element, you need the following tools:
- Container for draining gasoline.
- O-rings.
- Open-end wrenches ranging in size from 10 to 19 mm.
How to change it yourself
Before starting work, the vehicle's on-board electrical system must be de-energized. You also need to relieve the fuel pressure in the system, for which the fuel pump is disconnected from the power supply and the engine is allowed to run until it stops on its own.
Next steps include several steps
- Preparing a container for draining gasoline.
- Treating the gas filter mounting with penetrating lubricant.
- Removing the fittings suitable for the fuel line filter using wrenches 17 and 19. Draining the remaining fuel leaking from the lines.
You need to unscrew two 17 mm nuts on the line fittings - Removing the clamp securing the part.
This is how you remove the fuel filter mount
Components of the device
The VAZ 2114 fuel system includes:
- fuel mixture storage tank;
- gasoline pump;
- several types of filters;
- pipelines for transmitting flammable liquids;
- ramp with 4 nozzles;
- pressure regulator;
- cap on the tank neck.
The steel fuel tank serves as an object for storing fuel; it contains a high-pressure pump and a fuel availability indicator controller, which transmits a signal to the control panel. The pump has a coarse filter that prevents large particles of debris, rust and various impurities from entering the fuel system.
There is a fine filter near the tank; this unit guarantees thorough cleaning of the flammable liquid from the main line to the nozzles.
The injectors are placed on the fuel rail, which securely fastens them to the engine. Fuel injection is carried out using the system control unit. The pressure regulator controls the level of fluid injection between the inlet hose and the ramp line. The excess combustible mixture is returned back through the nozzles, along a separate tank drain line.
The temperature of the fluid that performs the reverse stroke increases by 6-14 degrees, this happens because the fuel circulates under the base of the machine and the blazing engine, and also rubs against the walls of the hose.
This circulation of the combustible mixture increases the temperature of the total liquid in the tank. Fuel vapors appear, which, according to a certain pattern, enter the fuel container and do not escape into the atmosphere; the fuel injection system ensures the safe capture of evaporation, destroying the vapors during engine operation.
Before carrying out repairs or preventative actions on the power system, it is important to reduce the pressure inside the unit. To prevent fuel spillage when removing the wires, it is important to secure the ends of the hose with microfiber.
The vehicles are equipped with a VAZ 2114 fuel supply system, which effectively supplies fuel at various inclinations of the vehicle, as well as when the liquid level in the tank is low.
VAZ 2115 Access to the fuel tank filler neck
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Removing the plug
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Precautionary measures
- Remember that gasoline is a highly flammable liquid! Do not smoke in the territory of the gas station under any circumstances; refuel with the engine turned off!
- Do not forget that gasoline is a carcinogen, i.e., a substance that promotes the development of cancer! Try to avoid getting fuel on exposed areas of your body, use rubber protective gloves, and in case of accidental unexpected contact with fuel, wash your hands thoroughly with warm water and soap.
- Fuel vapors in the tank may be under pressure; when opening the cap, first loosen it slowly - the final removal of the cap can only be done after the hissing has completely stopped!
- To avoid fuel splashing, refuel before the dispenser pistol automatically fires!
- When replacing, use only branded plugs equipped with a special safety valve! Using the wrong type of plug can have very serious consequences and may also cause the MIL to illuminate (see Vehicle Equipment, Instrument and Control Locations)!
- Under no circumstances should you pour gasoline into the throttle body to start the engine!
- Loose filler cap may cause the MIL to come on (see Vehicle Equipment, Instrument and Control Locations)!
- Immediately wipe off any fuel that gets on the paintwork of body parts with a dry cloth!
Fuel system diagram
The figure shows a diagram of the VAZ 2114 injector fuel system.
The fuel system of the VAZ 2114 is a complex of components that ensure the formation of a fuel-air mixture and its supply to the internal combustion chambers. Gasoline from the gas tank (18) is pumped out by an electric gasoline pump (19) mounted on the gas tank body. Then the fuel passes through the fuel filter (17), and then through the fuel supply tube (21) it enters the fuel pressure regulator (5), and then to the ramp (3) with injectors (1).
How to check the performance of the fuel pump
Often, for those problems for which the car owner blames the fuel pump, other elements of the fuel system are to blame. To establish whether a fuel pump has failed, you will need to know the reasons why it might break.
Causes of fuel pump malfunctions
Most often, the device may fail while the vehicle is moving. The gas pump may simply refuse to pump fuel from the tank to the engine, or a leak may form, causing the device to malfunction. If the power supply is interrupted, the pump stops working completely.
The main causes of fuel pump malfunctions include the following:
- lack of tightness in the pump itself (leakage);
- damage to membrane surfaces;
- the resource of the pump motor has been used up;
- contacts have oxidized;
- wiring or relay problems;
- dirt and debris in the fuel tank, which, along with gasoline, enter the pump.
As you can see, there can be many reasons for a fuel pump to fail.
Dirt deposits on the filter mesh are a common cause of fuel pump malfunctions.
Basic gas tank malfunctions
The gas tank is made of strong, durable material and lasts for the entire life of the vehicle. However, in some situations it may require repair. These situations are as follows.
- Fuel line clogged.
- Hole in the tank.
- Leak on the welding line of the tank body.
The cause of clogged hoses can be dirt getting into the fuel mesh in the tank itself. The solution in this case is quite simple - periodically wash or change this mesh.
If a hole is formed in the tank as a result of a mechanical shock, then it can no longer be repaired. In this case, the tank will need to be replaced.
If gasoline leaks from the welding line of the tank halves, you can try to seal this place. However, this procedure is very complex and requires appropriate experience.
A gas tank with extensive corrosion cannot be repaired.
