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 system device The power supply system provides fuel supply to the carburetor, air purification, preparation of a combustible mixture, and exhaust gases. The system includes the following...
Fuel tank device Fuel tank 16 ( see fig. 39 ) stamped, welded from two steel sheets. To improve corrosion resistance, the tank is leaded on both sides. The fuel tanks of the cars in question are...
Fuel pump device Fuel pump (pic. 40) diaphragm type, mechanically driven, equipped with a manual pumping lever. Productivity is 60 l/h at a frequency of rotation of a camshaft of 2000 rpm. Driven...
Fuel lines and fuel fine filter Fuel lines are made of leaded or galvanized steel tubes. The tubes are connected to the fuel pump, to the tank and to each other by rubber hoses in a fabric braid and fastened...
Air filter and thermostat device Air filter for cars VAZ-2108, 21081 dry type with a replaceable filter element. Building 4 (pic. 42) The filter is attached to four carburetor studs with self-locking nuts and...
Exhaust gas exhaust system The exhaust system of cars VAZ-2108, 21083, 2109 and 21093 consists of an exhaust manifold, a front pipe 3 (pic. 44), additional 6 and main 7 mufflers. All of them are...
The device and operation of the carburetor The carburetor prepares a combustible mixture of a certain composition in each mode of engine operation. On engines, depending on the working volumes of the cylinders, three...
Main carburetor dosing systems The main dosing systems prepare the combustible mixture in throttling modes (light and medium engine loads). Fuel enters from the bottom of the float chamber through a common fuel...
Power mode economizer and econostat The power mode economizer enriches the combustible mixture due to a decrease in the vacuum in the intake pipeline with a significant opening of the throttle valves, and also...
Idle system and carburetor adapter systems The idling system prepares a rich combustible mixture at engine idling. This ensures its stable operation. The system consists of a fuel channel, which originates from the...
Carburetor accelerator pump The accelerator pump enriches the combustible mixture with a sharp opening of the throttle, providing good acceleration of the car. Accelerator pump - diaphragm type, mechanically...
Carburetor starter The starting device ensures the preparation of a rich combustible mixture when starting a cold engine. The starting device has an air damper 5 (pic. 50), manual control of the...
Forced idle economizer The forced idle economizer disables the idle system when the vehicle is forced to idle (during engine braking, when driving downhill, when shifting gears). Economizer includes...
Carburetor control drive Throttle and air damper control drive - cable (pic. 51). Throttle valves are opened by pedal 1 in the passenger compartment. The pedal is welded to the lever and axle, mounted in...
Power system maintenance After the first 2000 km of a new car, you must: check the tightness of the system; tighten the fastenings of units and devices; check the operation of the thermostat; adjust the...
Washing carburetor parts Flushing of parts should be carried out with the carburetor removed and disassembled. Remove and install the carburetor only on a cold engine. Remove cover 6 ( see fig. 42 ) air...
Adjusting the fuel level in the carburetor float chamber The fuel level necessary for the normal operation of the carburetor is ensured by the correct installation of serviceable elements of the locking device. Correct installation of...
Other carburetor adjustments Trigger Adjustment When turning lever 4 ( see fig. 50 ) control of the air damper 5 fully counterclockwise, the air damper must be completely closed under the action of the spring...
The main malfunctions of the power system Engine won't start when cold The starter turns the crankshaft, but the engine does not start. Causes of malfunction and solutions: no fuel is being supplied to the carburetor. It...