Fuel and exhaust system of cars VAZ-2108

Engine power supply system — general description
The fuel system consists of devices for supplying fuel and air, preparing the combustible mixture and releasing exhaust gases. The fuel supply devices include the fuel tank 16...

Fuel pump — design description
The fuel pump is of the diaphragm type, with a mechanical drive, equipped with a lever 8 (figure 14) manual pumping. The pump consists of a lower casing 13 with drive levers, an...

Air filter and thermostat — design description
Air filter Dry type air filter, with a thermostat, with a replaceable filter element. The filter body is installed on four carburetor studs, sealed with a rubber gasket and...

Carburetor — design description
Carburetor model 2108-1107010, emulsion type, two-chamber, with falling flow, with sequential opening of throttle valves (figure 15). The carburetor has a balanced float chamber,...

Fuel tank — removal and installation
Before removing the fuel tank 16 ( see figure 13 ) disconnect the negative wire from the battery. Raise the rear seat cushion, floor mat and remove the hatch cover in the floor....

Fuel pump — removal and installation
To remove the pump, loosen the screw clamps of its inlet and outlet hoses, remove the hoses and seal their ends with process plugs. Unscrew the fastening nuts and remove the fuel...

Carburetor — removal and installation
Removal and installation are performed only on a cold engine. Remove the air filter cover and take out the filter element. Unscrew the nuts securing the air filter housing to the...

Silencers — removal and installation
When removing the main muffler 7 (figure 20) the car is hung on a lift, the nuts of the rear clamp 4 are unscrewed, the clamp and the sealing ring are removed. The main muffler is...

Fuel pump — disassembly and assembly
When disassembling the pump, unscrew the cover mounting bolt 5 ( see figure 14 ), remove the cover and take out the fuel filter 2 of the pump. Then unscrew the screws securing the...

Carburetor — disassembly and assembly
Disassembly Unscrew the screws securing the carburetor cover and carefully detach it from the body so as not to damage the gasket, float, economizer tubes and the transition...

Thermoregulator — check and repair
Check the position of the damper at the removed thermostat at a temperature of the thermal power element of +25°C and +35°C. In the first case, the damper should block the cold...

Fuel tank — inspection and repair
To clean the tank, remove the fuel level sensor, wash the tank with gasoline. Then wash and steam the tank with a stream of hot water to remove any remaining gasoline. Carefully...

Fuel pump — inspection and repair
Check the fuel supply by the pump. Insufficient filling of the carburetor with fuel may be caused by a faulty fuel pump, as well as clogged or damaged fuel lines and fine fuel...

Carburetor — inspection and repair
Fuel filter 12 ( see figure 41 ) are washed in gasoline and blown with compressed air. The condition of the filter is checked. If the filter or fuel supply pipe 11 are damaged,...

Carburetor adjustments
Setting the fuel level in the float chamber The fuel level required for normal operation of the carburetor is ensured by the correct installation of serviceable elements of the...

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More articles from other manuals on VAZ cars:
➠ Power unit: Supply system VAZ-2101 (1970-1983)
➠ Power unit: Supply system VAZ-21213 (1994-2006)
➠ Power unit: Supply system VAZ-1111 (1988-1996)
➠ Power unit: Supply system VAZ-2106 (1976-2006)
➠ Power unit: Supply system VAZ-2112 (1999-2007)

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