Procedures

Fuel Injectors, Cleaning

Special tools, testers and auxiliary items required
- Ultrasonic Cleaning Unit VAS 6418
- Injection Module Mounting Plate VAS 6418/1
- Cleaning Fluid VAS 6418/2

Cleaning
- Remove fuel injectors.

NOTE: Follow the safety precautions and the instructions for the ultrasonic device.

- The ultrasonic device must be filled with cleaning fluid VAS 6418/2.







NOTE: Fill the ultrasonic device up to the upper edge of the holes with cleaner (see the magnified area of the illustration).

- Insert the injector valve - 1 - all the way into the injector module mounting plate VAS 6418/1 - 2 -.







- Dip the fuel injectors with the injector module mounting plate VAS 6418/1 into the cleaning device.
- Adjust the temperature to 50 degrees using the knob - 4 -.
- Set a cleaning time of 30 minutes using the knob - 5 -.
- Switch the ultrasonic device on with the button - 3 -.

NOTE: The time begins counting down once the cleaning temperature reaches 50 degrees.

- Replace combustion chamber Teflon seal after cleaning each fuel injector.
- Install the fuel injector valves.