Repair of units of the fuel system of cars VAZ-2109

All articles on the device and repair of components and assemblies of the fuel supply system for the engine of cars VAZ-2108 and VAZ-2109 Samara.

Power supply system device
The fuel system supplies fuel to the carburetor, cleans the air, prepares the combustible mixture, and releases exhaust gases. The system includes the following devices: fuel tank...

Fuel tank device
Fuel tank 16 ( see figure 39 ) stamped, welded from two steel sheets. To increase corrosion resistance, the tank is lead-lined on both sides. The fuel tanks of the vehicles in...

Fuel pump device
Fuel pump (figure 40) diaphragm type, with mechanical drive, equipped with a manual pumping lever. Capacity 60 l/h at a camshaft speed of 2000 rpm. Driven by a pusher from the...

Fuel lines and fine fuel filter
Fuel lines are made of steel leaded or galvanized tubes. The tubes are connected to the fuel pump, to the tank and to each other by rubber hoses in a fabric braid and are secured...

Air filter and thermostat device
Air filter for VAZ-2108, 21081 cars, dry type with replaceable filter element. Housing 4 (figure 42) the filter is attached to four carburetor studs with self-locking nuts and...

Exhaust gas system
The exhaust system of VAZ-2108, 21083, 2109 and 21093 cars consists of an exhaust manifold, an inlet pipe 3 (figure 44), additional 6 and main 7 mufflers. All of them are...

The structure and operation of the carburetor
The carburetor prepares a combustible mixture of a certain composition in each engine operating mode. Three models of carburetors are installed on engines depending on the working...

Main metering systems of the carburetor
The main metering systems prepare the combustible mixture in throttling modes (low and medium engine loads). Fuel enters from the float chamber from below through a common fuel...

Power mode economizer and econostat
The power mode economizer enriches the combustible mixture by reducing the vacuum in the intake manifold with a significant opening of the throttle valves, and also eliminates...

Idle system and transition systems of the carburetor
The idle system prepares a rich combustible mixture when the engine is idling. This ensures its stable operation. The system consists of a fuel channel that originates from the...

Carburetor accelerator pump
The accelerator pump enriches the combustible mixture when the throttle valve is opened sharply, ensuring good throttle response of the car. The accelerator pump is a diaphragm...

Carburetor starting device
The starting device ensures the preparation of a rich combustible mixture when starting a cold engine. The starting device has an air damper 5 (figure 50), manual control of the...

Forced idle economizer
The forced idle economizer disables the idle system when the vehicle is in forced idle mode (when braking the car with the engine, when driving downhill, when changing gears). The...

Carburetor control drive
Throttle and air damper control drive - cable (figure 51). The throttle valves are opened by pedal 1 in the body interior. The pedal is welded to the lever and axle, installed in...

Maintenance of the power supply system
After the first 2000 km of a new car, it is necessary: check the tightness of the system; tighten the fastenings of units and devices; check the operation of the thermostat;...

Cleaning of carburetor parts
Wash the parts with the carburetor removed and disassembled. Remove and install the carburetor only on a cold engine. Remove cover 6 ( see figure 42 ) air filter and filter...

Adjusting the fuel level in the carburetor float chamber
The fuel level required for normal operation of the carburetor is ensured by the correct installation of serviceable elements of the shut-off device. Correct installation of float...

Other carburetor adjustments
Adjusting the starting device When turning lever 4 ( see figure 50 ) control of the air damper 5 to the stop counterclockwise, the air damper should be completely closed under the...

Main faults of the power supply system
The engine does not start when cold The starter turns the crankshaft, but the engine does not start. Causes of malfunction and methods of elimination: no fuel is supplied to the...

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More articles from other manuals on VAZ cars:
➠ Power unit: Supply system VAZ-2114 (2004-2013)
➠ Power unit: Fuel system VAZ-11113 (1996-2003)
➠ Power unit: Supply system VAZ-2106 (1976-2006)
➠ Power unit: Supply system VAZ-2110 (1995-2007)
➠ Power unit: Supply system VAZ-2105 (1979-2010)

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