volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Assembly overview - high-pressure pump > < Removing and installing throttle valve moduleJ338
Cleaning throttle valve moduleJ338
Cleaning throttle valve module -J338-
Special tools and workshop equipment required
t  Acetone
  Note
t  Always follow safety precautions → Chapter.
t  Observe rules for cleanliness → Chapter.
t  When cleaning the throttle valve housing it must not be scratched.
Procedure:
–  Remove throttle valve module → Chapter.
   
–  Open throttle valve by hand and block throttle valve in open position with a suitable object -arrow-.
  WARNING
Acetone is highly inflammable. Please observe the accidental regulations and safety notes when handling with highly inflammable fluids. Do not use compressed air when cleaning the throttle valve. Wear eye protection and protective clothing to avoid possible injury and skin contact.
  N24-10125
–  Thoroughly clean throttle valve housing, especially around closed throttle valve, using commercially available acetone and a cleaning brush.
–  Wipe off throttle valve housing using a lint-free cloth.
–  Allow acetone to evaporate completely and re-install throttle valve module after cleaning.
–  Adapt the engine control unit to throttle valve module → Vehicle diagnostic tester„Guided functions“.
  N24-10124

Assembly overview - high-pressure pump > < Removing and installing throttle valve moduleJ338