Car engine power supply system VAZ-2121

All articles on the device and repair of components and assemblies of the fuel supply system for the engine of VAZ-2121 Niva cars and their modifications.

Air filter — removal and installation
Fig. 2-76. Air filter: 1 - nut; 2 - filter cover; 3- setting arrow; 4 - air intake pipe for summer period; 5 - filter housing; 6 - warm air supply hose for winter period; A - blue...

Fuel pump device
The fuel pump device is shown in Fig. 2-78. Fig. 2-78. Fuel pump: 1 - discharge pipe; 2 - filter; 3 - body; 4 - suction pipe; 5 - lid; 6 - suction valve; 7 - traction; 8 - manual...

Checking the fuel pump
Insufficient filling of the carburetor with gasoline may be due to a malfunction of the fuel pump, as well as clogged or damaged pipelines. To find the cause of the malfunction,...

Installing a fuel pump on an engine
To properly install the fuel pump, use two of the three gaskets listed below: A 0.27-0.33 mm thick; In thickness 0.70-0.80 mm; With a thickness of 1.10-1.30 mm. The pump...

Fuel tank — removal and installation
To remove the fuel tank from the vehicle, you must: unscrew plug 8 (Fig. 2-80) of filler pipe 11 and drain the gasoline; remove the rear seat, unscrew the screws securing the...

The structure and description of the carburetor
Carburetors 2106-1107010 were installed on VAZ-2121 cars up to 1980. The number of these carburetors is cast on the lower flange of the carburetor body. Since 1980, carburetors...

Idle speed adjustment
The engine idle speed is adjusted using screw 2 (fig. 2-87 and 2-88), determining the composition of the mixture, and screw 1, controlling the amount of the mixture. Fig. 2-87....

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 shut-off device (Fig. 2-90). Fig. 2-90....

Adjusting the carburetor drive
When pedal 9 is fully depressed (Fig. 2-91), the primary chamber throttle valve should be fully open and the throttle lever should have no additional travel. When the pedal is...

Removal and installation a carburetor on a car
Remove the air filter Disconnect the rod 1 (from the throttle actuator lever fig. 2-91 ) and return spring 17. Disconnect air damper drive cable 4 from the carburetor. Disconnect...

Disassembling the carburetor
Remove the return spring 7 (Fig. 2-92) of the lever limiting the opening of the secondary chamber throttle valve. Fig. 2-92. View of the 2107-1107010-20 carburetor from the...

Cleaning and checking the technical condition
Fuel filter. Wash the filter in gasoline and blow it with compressed air. Check the condition of the filter and the sealing conical belt of the filter plug. If the filter or plug...

Assembling the carburetor
The carburetor is assembled in the reverse order of disassembly. In doing so, pay attention to the following: the float should rotate freely on its axis without touching the walls...

Adjusting and checking the carburetor after assembly
Position of the throttle valves of the carburetor 2106-1107010. In the position of lever 4 (Fig. 2-99), in which the upper antenna of lever 3 contacts lever 2, the primary chamber...

Exhaust gas system
Exhaust gases are discharged from the engine from the exhaust manifold through the inlet pipe 1 (fig. 2-102) mufflers, then through an additional muffler 6 and the main muffler 7....

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

More articles from other manuals on VAZ cars:
➠ Power unit: Power and exhaust system VAZ-21051 (1979-2010)
➠ Power unit: Power and exhaust system VAZ-21061 (1976-2006)
➠ Power unit: Supply system VAZ-1111 (1988-1996)
➠ Power unit: Supply system VAZ-2112 (1999-2007)
➠ Power unit: Supply system VAZ-2109 (1984-1997)

Share with friends: