Power and exhaust system car VAZ-21099

Removal and installation of the carburetor
Attention! When removing and disassembling the carburetor, do not smoke or use open flames! 1. Disconnect the air damper rod. 2. Remove the accelerator return spring. 3. Remove...

Dismantling the carburetor
Carburetor (left view): 1 - air damper; 2 - starting device; 3 - adjusting sensor - mixture quantity screw; 4 - accelerating pump; 5 - solenoid valve; 6 - carburetor cover...

Troubleshooting carburetor parts
Wash the carburetor filter in gasoline and blow with compressed air. Attention! If the floats are not positioned correctly, the carburetor will not work. Therefore, be sure to...

Carburetor assembly
Notes: The marking of the jets is determined by the flow rate, which is measured using micrometers. Adjustment of micrometers is carried out according to reference jets. The...

Air damper actuator adjustment
Before the beginning: remove the air filter. Fully open damper. 1. Loosen the bolt that secures the linkage to the choke lever. 2. Rotate the choke lever so that it is fully open....

Throttle Actuator Adjustment
Turning nut 1 opens the damper, and tightening nut 2 closes the damper. 1. Press all the way down on the accelerator pedal. In this case, the throttle valve of the first chamber...

Engine idle adjustment
Attention! Idle speed adjustment is carried out on a warm engine (coolant temperature 90–95°C) with adjusted clearances in the valve drive and correctly set ignition timing. The...

Trigger Adjustment
The starting device is adjusted on the removed carburetor. Before adjustment, check the condition of the actuator diaphragm by unscrewing the four screws and removing the cover....

Adjusting the fuel level in the float chamber
Before the beginning: remove the air filter ( see subsection 11.2. ). Disconnect the air damper rod ( see subsection 11.3.1. ), wire from solenoid valve ( see subsection 11.3.1. )...

Checking the operation of the second camera blocking mechanism
Attention! Adjustment of the operation of the mechanism for blocking the second chamber is carried out on the removed carburetor. 1. Turn the choke lever counterclockwise until it...

Removal and installation of the fuel pump
Fuel pump: 1 - discharge pipe of the pump; 2 - fuel pump; 3 - suction pipe of the pump Before the beginning: disconnect the wire from the terminal "–" battery. Note. After...

Fuel pump disassembly
1 - spacers; 2 - lower plate; 3 - stock; 4 - diaphragms; 5 - top plate 1. Loosen the pump cover bolt. 2. Remove the pump cover and strainer. 3. Loosen the six mounting screws and...

Troubleshooting and assembly of the fuel pump
Notes: Wash in gasoline and blow out the parts of the fuel pump with compressed air. The tightness of the valves is checked on the assembled pump. To check, shake the fuel pump...

Fuel tank
1 - fuel tank 2 - drain fuel line 3 - fuel supply line 1 - air release hose 2 - separator hose 3 - inlet pipe hose Attention! Before starting work, disconnect the wire from the...

Replacement of a reception pipe of the muffler
1 - exhaust pipe of the muffler; 2 - first stage muffler (resonator); 3 - main muffler 1. Brake the vehicle with the parking brake and place chocks under the rear wheels. Raise...

Replacing the first stage muffler (resonator)
Note. Inspect the rubber pads for the muffler and resonator. Torn, cracked or loose cushions should be replaced. 1. Loosen the two nuts and remove the clamp. 2. Separate the...

Replacing the main muffler
1. Loosen the clamp mounting bolts and remove it. Disconnect the muffler pipe from the resonator pipe by removing the O-ring. 2. Lift up the muffler and disconnect the cushion...