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Removing and installing the unit injector > < Summary of components

Fabia Mk1

Removing and installing O-rings for unit injector
Removing and installing O-rings for unit injector
Special tools and workshop equipment required
t  Assembling sleeves -T10056-
Removing
–  Lever off the old O-rings from the slots of the unit injector with extreme care.
–  Make sure, above all, that the seating surfaces in the slots of the O-rings are not damaged.
Installing
  Note
t  Always use the assembly sleeves to install the O-rings. Otherwise there is the danger of damaging the O-rings.
t  Observe the correct allocation of the O-rings to the channels: the ring thickness reduces in the direction of the injection nozzle.
t  Avoid rolling the O-rings when sliding them on. The O-rings must not be turned inwards on the slots of the unit injector.
–  Remove the heat-protection seal along with the circlip.
–  Clean the seating surfaces for the O-rings in the unit injector with great care.
   
–  Insert the assembling sleeve -T10056/1- on the unit injector up to the stop.
–  Carefully slide the top O-ring onto the assembling sleeve and into the groove of the unit injector.
–  Remove assembly sleeve.
  S23-0181
–  Insert the assembling sleeve -T10056/2- on the unit injector up to the stop.
–  Carefully slide the centre O-ring onto the assembling sleeve and into the groove of the unit injector.
–  Remove assembly sleeve.
  S23-0182
–  Insert the assembling sleeve -T10056/3- on the unit injector up to the stop.
–  Carefully slide the bottom O-ring onto the assembling sleeve and into the groove of the unit injector.
–  Remove assembly sleeve.
–  Slide on a new heat-protection seal together with the circlip.
  S23-0183

Removing and installing the unit injector > < Summary of components