Fuel and exhaust system of gasoline VW Transporter T3

Carburetor / fuel injection device
The engine power system includes the fuel tank, fuel hoses, fuel filter, fuel pump, and carburetor or fuel injection device with an air filter. The fuel tank is located behind the...

Maintenance of the carburetor device
When refueling from canisters, it is recommended to filter the fuel with a clean cloth. The fuel pump does not require any maintenance other than the fact that every 30,000 km it...

Carburetor adjustment
Each carburetor is tested at the VW factory and adjusted for local gasoline. This setting should not be changed. Increased gas mileage and reduced engine power almost always have...

Fuel supply problems
In case of violations of the fuel supply, it is necessary to check the engine power supply system: Check for fuel in the fuel tank. Disconnect the fuel hose from the fuel pump...

Air filter and carburetor vacuum connections 34 PICT
Removal and installation of the air filter Removing Disconnect the hose from the air filter housing. Disconnect the brown vacuum hose from the vacuum diaphragm. Pry off the air...

Air filter and carburetor vacuum connections 2E3
Removing the air filter housing Unscrew the nuts securing the air filter housing to the carburetor and remove them together with the washers. Remove the air filter housing....

Intake air heating control
On engines of the latest releases, the heating of the intake air is automatically regulated. When the heating fails, various defects can be observed. Unstable idling during...

Thermostat check
The intake air temperature is at least 20°C. Thermostat housing and vacuum diaphragm checked. Detach hoses -1- and -2- from thermostat -3-. Before checking, the engine should not...

Removal and installation of the fuel pump
The fuel pump is located on the right side of the engine next to the ignition distributor. The fuel pump cannot open. If defective, it must be replaced as a set. The pump head...

Removal and installation of the fuel filter
The fuel filter is located under the vehicle on the right side directly behind the fuel tank. The fuel filter is replaced every 30,000 km. Removing Raise the rear of the car....

Cable gas drive — design description
Cable gas drive The throttle cable connects the accelerator pedal to the throttle lever and the carburetor or fuel injection device. In front, it is attached to the gas pedal...

Removal and installation of a cable of gas
Removing Raise the car. Release the throttle cable by unscrewing the carburetor clamping screw. On a 2E3 carburetor, give full throttle by hand, disconnect the cable from the...

Cable throttle on vehicles with automatic transmission
The gas supply should be adjusted so that when the throttle is closed (idling) the actuating lever on the gearbox was on a stop in the zero gas position. Otherwise, upshifts at...

Fuel tank — design description
Figure 20-398 shows the fuel tank of vehicles with rear wheel drive. 1. Expansion tank; 2. Fuel tank ventilation; 3. Fuel gauge sensor; 4. Gasket; 5. Filler neck; 6. Check valve;...

Removal and installation of the fuel tank
The fuel tank on vehicles with rear wheel drive is mounted on the bottom of the vehicle and is located behind the front axle. Attention: The fuel tank on vehicles with all-wheel...

Carburetor Troubleshooting
Carburetor Troubleshooting The condition for troubleshooting according to the table below is that the engine, all associated units are perfectly adjusted and functioning, as well...

Exhaust system of the 1.9 l engine
The exhaust system consists of a muffler, an exhaust pipe bolted to it and two pipes connecting the muffler to the cylinder heads. Note: Secure all hoses with clamps so that the...

2.1L engine exhaust system with catalytic converter
Attention: On vehicles without catalytic converters, an intermediate pipe is installed instead. The installation of the lambda probe is different: either as shown in the figure,...

Removal and installation of the muffler
Removing Before removing, spray all threaded connections with a corrosion-dissolving agent. Unscrew the bottom of the muffler-pipe connection flange, 2 bolts on each side and...

Cars with a catalyst — general information
Depending on the model and composition of the equipment, cars are equipped with catalysts. In the presence of a catalyst, the vehicle must be operated only on unleaded gasoline....

Operation of vehicles with a catalyst
To avoid damage to the lambda probe and catalytic converter, the following instructions must be observed: Refuel with unleaded gasoline only. When installing the catalytic...

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Transporter T4 Transporter T3