Sequence of execution
1. Prepare the car for work (see "Preparing a car for maintenance and repair").
2. Clean the housing and plug of the carburetor fuel filter from dirt.
3. Key by 19 mm unscrew the fuel filter plug.
The original source is located on the website VazBook.ru
4. Remove the plug and take out the filter element from it.
5. Wash the filter element and plug with carburetor cleaner or acetone and blow them with compressed air. Replace the damaged element with a new one.
6. Install the filter element into the plug and tighten it.
7. After installation, create pressure in the system by manually pumping the fuel pump (if the pump does not pump, turn the crankshaft half a turn), checking the tightness of the connection. If necessary, tighten the plug.