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Senders and sensors > < Renewing combustion chamber ring seal (teflon ring seal)

A3 Mk2

Cleaning injectors
Cleaning injectors
Special tools and workshop equipment required
t  Ultrasonic cleaning unit -VAS 6418-
t  Mounting plate for injection modules -VAS 6418/1-
t  Cleaning fluid -VAS 6418/2-
Cleaning
–  Remove injectors → Chapter.
  Note
Observe safety precautions and operating instructions for ultrasonic unit.
–  Ultrasonic unit must be filled with cleaning fluid -VAS 6418/2-.
  Note
   
Ultrasonic unit must be filled with cleaning fluid up to top edge of apertures (see detail in illustration).
–  Insert injectors -1- all the way into mounting plate for injection modules -VAS 6418/1--2-.
  A24-10602
–  Immerse injectors together with mounting plate for injection modules -VAS 6418/1- into cleaning fluid.
–  Set rotary knob -4- to a temperature of 50°C.
–  Select a cleaning time of 30 minutes with rotary knob -5-.
–  Switch on ultrasonic unit with button -3-.
  Note
The time set starts to elapse as soon as a cleaning temperature of 50°C has been reached.
–  After cleaning, always renew combustion chamber ring seal (teflon ring seal) for each injector → Chapter.
–  Then re-install injectors → Chapter.
  A24-10601

Senders and sensors > < Renewing combustion chamber ring seal (teflon ring seal)