skoda Workshop Repair Guides

Skoda Workshop Service and Repair Manuals

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Removing and installing high pressure pump, engine identification characters BLR, BLX, BLY, BVX, BVY, BVZ > < Removing and installing throttle valve control unit J338 , engine identification character BWA

Octavia Mk2

Clean throttle valve control unitJ338
Clean throttle valve control unit -J338-
Vehicles with engine identification characters BLR, BLX, BLY, BVX, BVY, BVZ
  Note
If a new engine control unit is fitted, the throttle valve control unit must be adapted. The adaptation must only be carried out with a new or cleaned throttle valve control unit, because dirt/carbon deposits in the end stop of the throttle valve can lead to incorrect adaptation values.
–  Slacken the air filter housing and pull off the intake hose from the throttle valve support.
Vehicles with engine identification characters BLR, BLX, BLY
–  Disconnect the coolant hoses on the throttle valve control unit with the hose clamps up to Ø 25 mm -MP7-602-.
–  Detach the coolant hoses from the throttle valve control unit.
Continued for all vehicles
–  Remove the throttle valve control unit.
t  Vehicles with engine identification characters BLR, BLX, BLY, BVX, BVY, BVZ: → Chapter
t  Vehicles with engine identification character BWA: → Chapter
  Note
The throttle valve support must not be scratched when cleaning.
   
–  Open the throttle valve manually and block it in the opened position with a suitable object -arrow-.
  WARNING
Acetone is easily inflammable. Observe the accident prevention regulations and the safety instructions when handling easily inflammable fluids. Do not use compressed air when cleaning the throttle valve. Wear safety goggles and safety clothing, in order to avoid injuries and skin contact with fuel.
  N24-10125
–  Thoroughly clean the throttle valve support, in particular the area of the closed throttle valve -arrows-, with commercially available acetone and a paint brush.
–  Wipe the throttle valve support with a fluffy cloth.
–  Let the acetone dry off completely and re-install the cleaned throttle valve control unit.
–  Adapt the engine control unit to the throttle valve control unit → Vehicle diagnosis, testing and information system VAS 5051.
  N24-10124

Removing and installing high pressure pump, engine identification characters BLR, BLX, BLY, BVX, BVY, BVZ > < Removing and installing throttle valve control unit J338 , engine identification character BWA