The power supply system (carburetor) of the car Audi 100 C3

Supply system
The power supply system of a carburetor engine consists of a fuel tank, a fuel pump, a carburetor, an air filter and fuel lines. Carburettors can be installed...

Replacing the air filter element
Air filter 1 - warm air intake shield; 2 - clamp; 3 - warm air supply hose; 4 - spring clip; 5 - vacuum hose of the thermostatic valve; 6 - thermostatic...

Removal and installation of the air filter
Order of execution 1. Take out the filter element (see fig. Air filter And pp. 1–3 subsections 6.1.1 ). 2. Loosen clamps. 3. Remove hoses (3) And (8) and...

Checking the thermostat
Depending on the ambient temperature or negative pressure, the thermostat controls the flow of warm or cold air supplied to the carburetor. Damage to the...

Checking the thermostatic valve
thermostatic valve (see fig. Air filter ) controls the damper. With a faulty valve, there may be interruptions in the engine idling in the warm-up mode,...

Removal and installation of the fuel pump
1.9 L engine power system 1 - fuel pump; 2 - a bolt of fastening of the fuel pump; 3 - washer; 4 - gasket; 5 - heat-insulating gasket; 6 - fuel supply hose to...

Checking the discharge pressure of the fuel pump
The fuel pressure at the outlet of the fuel pump is not regulated. If the pressure drops below normal, the fuel pump is replaced. Order of execution 1. Connect...

Removal and installation of a cable of a drive of an accelerator
Order of execution 1. Remove air filter (cm. subsection 6.1.2 ). 2. Disconnect the cable from the carburetor throttle lever. 3. Disconnect the cable from the...

Accelerator cable adjustment
Order of execution 1. Disconnect the cable from the carburetor throttle lever. 2. Install the accelerator pedal so that the distance from the pedal to the stop...

Fuel level sensor replacement
Order of execution 1. Disconnect wire from «negative» battery terminals. 2. Remove the boot floor mat. 3. Remove the cover located on the floor of the trunk...
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Removal and installation of the fuel tank
Order of execution 1. Disconnect wire from «negative» battery terminals. 2. Drain the remaining fuel from the tank. 3. Disconnect from sensor (see fig. 1.8L...

Replacing the fuel fine filter
The filter needs to be replaced every 10,000 km. Order of execution 1. Disconnect wire from «negative» battery terminals. 2. Remove clamps from hoses (17) And...

Removal and installation of the carburetor
1.8L Engine Intake Pipe and Carburetor 1 - inlet pipe heater; 2 - sealing ring; 3 - gasket; 4 - inlet pipe; 5 - clamp; 6 - carburetor heating hose; 7 - flange;...

Disassembly and assembly of the carburetor
Details of the carburetor 1B3 1 - heating element; 2 - carburetor body; 3 - sealing ring; 4 - quality adjusting screw (composition) mixtures; 5 - solenoid...

Disassembly and assembly of carburetors of other models
Disassembly and assembly of carburetors of other models is carried out similarly. When assembling the carburetor, consider the following. At the Pierburg 1B3...

Carburetor adjustments Pierburg 1B3
The carburetor device 1B3 is shown in fig. Details of the carburetor 1B3 . 1B3 carburetor vacuum connections 1 - thermostat; 2 - air filter; 3 - thermostatic...

Engine start speed control (Pierburg 1B3)
Order of execution 1. Start and warm up the engine. 2. Stop the engine. 3. Connect a control tachometer to the engine. 4. Turn the lever (2) so that the...

Air damper starting gap adjustment (Pierburg 1B3)
Order of execution 1. Remove starter cover (see fig. Details of the carburetor 1B3 ). 2. Fully open throttle. 3. Connect a vacuum gauge and vacuum pump to the...

Throttle opening adjustment (Pierburg 1B3)
The throttle position is set at the factory and no adjustment is required during operation. However, if the adjustment has been violated, it must be restored....

Accelerator pump adjustment (Pierburg 1B3)
Order of execution 1. Remove carburetor. 2. Fill the float chamber with fuel and place a measuring beaker with a funnel under the carburetor. 3. Pull lever (2)...

Idle adjustment (Pierburg 1B3)
The adjustment is carried out on a warm engine with adjusted clearances in the valve drive mechanism and the ignition timing. Order of execution 1. Connect a...

Pierburg 2E2 carburetor adjustments
Details of the carburetor 2E2 1 - pneumatic actuator of the throttle valve of the second chamber; 2 - accelerator cable bracket; 3 - carburetor body; 4 -...

Engine start speed control (Pierburg 2E2)
Adjusting the engine start speed at the carburetor 2E2 1 - restrictive throttle screw; 2 - throttle lever; 3 - movable rod of the pneumatic drive; 4 -...

Air damper starting gap adjustment (Pierburg 2E2)
Order of execution 1. Remove starter cover (see fig. Details of the carburetor 2E2 ). 2. Pull the choke control lever down and secure in this position. 3....

Checking the throttle actuator of the second chamber (Pierburg 2E2)
Order of execution 1. Connect to pneumatic (see fig. Details of the carburetor 2E2 ) vacuum gauge and vacuum pump and create a vacuum of 50 mbar in the...

Throttle opening adjustment of the second chamber (Pierburg 2E2)
The second chamber throttle position is set at the factory. If the adjustment is broken, it must be restored. Order of execution 1. Fully open the throttle...

Accelerator pump adjustment (Pierburg 2E2)
Order of execution 1. Remove carburetor. 2. Fully sink the movable stem (see fig. Adjusting the engine start speed at the carburetor 2E2 ), and then open the...

Checking the operation of the throttle actuator of the first chamber (Pierburg 2E2)
The check is performed at forced idle. Order of execution 1. Disconnect the vacuum hoses from the pneumatic actuator (see fig. Adjusting the engine start speed...

Idle adjustment (Pierburg 2E2)
Quality adjustment screw (composition) carburetor mixtures 2E2 1 - quality adjustment screw (composition) mixtures; 2 - adjusting screw of the protrusion of...

Keihin carburetor adjustments
Keihin carburetor parts 1 - pneumatic actuator of the throttle valve of the first chamber; 2 - bracket; 3 - pneumatic actuator of the throttle valve of the...

Engine start speed control (Keihin)
Keihin first chamber throttle adjustment Squeeze the lever with pliers. 1 - throttle actuator lever of the first chamber; 2 - rod of the pneumatic actuator of...

Air damper starting gap adjustment (Keihin)
Keihin Carburetor Choke Lever 1 - air damper drive lever; 2 - pneumatic drive rod; 3 - elastic band fixing the lever; 4 - pneumatic actuator of the air damper;...

Throttle opening adjustment of the second chamber (Keihin)
Keihin second chamber throttle adjustment 1 - locknut; 2 - restrictive throttle screw of the second chamber Order of execution 1. Remove carburetor. 2. Loosen...

Accelerator Pump Capacity Adjustment (Keihin)
Quality adjustment screw (composition) Keihin carb mixes 1 - quality adjustment screw (composition) mixtures; 2 - throttle control lever of the first chamber;...

Idle adjustment (Keihin)
The adjustment is carried out with the ignition timing correctly set and the consumers of electricity turned off. Order of execution 1. Warm up the engine to...

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100(C4, 1990-1994)

100(C4, 1990-1994, petrol)

100(C3, 1982-1990)

100(C3, 1982-1990, petrol)

100(C3, 1982-1990, diesel)