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Air filter - Summary of components > < Removing and installing unit injectors|Install

Octavia Mk2

Replacing O-rings of the unit injector
Replacing O-rings of the unit injector
Special tools and workshop equipment required
t  Assembly sleeve -T10308/1-
t  Assembly sleeve -T10308/2-
Removing
–  Remove unit injector → Chapter.
–  Lever off the old O-rings from the unit injector with extreme care.
   Make sure that no burr arises at the base of the O-rings.
Install
  Note
t  Always use the assembly sleeves to install the O-rings. If they are not used, the O-rings can be damaged.
t  Observe the correct allocation of the O-rings to the channels.
t  When installing, slide on the O-rings, do not roll. They must not be turned inwards on the seat of the unit injector.
–  Clean the contact surfaces for the O-rings at the unit injector with great care.
   
–  Insert the assembly sleeve -T10308/1- on the unit injector up to the stop.
–  Carefully slide the top, thicker O-ring onto the assembly sleeve and insert it in the groove of the unit injector.
–  Remove assembly sleeve.
  S23-0234
–  Insert the assembly sleeve -T10308/2- on the unit injector up to the stop.
–  Carefully slide the lower, white marked O-ring onto the assembly sleeve and insert it in the groove of the unit injector.
–  Remove assembly sleeve.
–  Install unit injector → Chapter.
  S23-0235

Air filter - Summary of components > < Removing and installing unit injectors|Install