How to disassemble Audi's fuel injector?

1. Hang the gasket on the front cover of the car, find the oil inlet and oil return pipe of the engine, remove the oil return pipe from its connection point with the engine, and select a suitable connector to plug the oil return pipe.

2. Remove the oil inlet pipe from the connection point of the engine, select a suitable connector, and connect the oil inlet pipe with the oil outlet pipe of the filter.

Open the tank cover, unplug the oil pump safety, and stop the oil pump;

3. Unscrew the bottle cap of the cleaner, add the fuel system cleaner into the liquid storage bottle, and tighten the bottle cap. Pull up the knob of the pressure regulating valve and adjust it to the minimum position (turn left to the end), connect compressed air to the air inlet of the washing machine, and slowly turn the pressure regulating valve to the right, thus slowly increasing the pressure. Adjust the pressure to 2-3 kg/cm2.

4. Check the pipelines and joints of the washing machine and engine for oil leakage. If there is leakage, immediately close the valve of the water inlet pipe of the washing machine and carry out maintenance until there is no leakage;

5. Open the oil inlet valve of the cleaning machine, start the engine and start cleaning until all cleaning agents are used up (about 20-30 minutes).

After cleaning, the car will automatically turn off and turn the car key switch back to the closed position;

6. Remove the connector of the cleaning machine, connect the engine oil pipe as it is, start the engine and accelerate it appropriately. Check the joints and pipes for oil leakage;