seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Removing and installing unit injector > < Removing
Installing
Installing
  Note
t  Always use the assembly sleeves to fit the O-rings. There is a danger of damaging the O-rings if the sleeves are not used.
t  Gradual introduction of O-rings without different coloured markings. Note the correct allocation of O-rings to grooves: the thickness of the rings reduces towards injector nozzle.
t  Prevent O-rings from rolling when sliding them on. The O-rings must not be twisted in their seats in unit injector.
–  Pull heat shield seal off together with securing clip.
–  Clean seating surfaces for O-rings on unit injector very carefully.
   
–  Place assembly sleeve -T10056/1- onto stop on unit injector.
–  Push the upper, thicker O-ring carefully onto assembly sleeve and into seat on unit injector.
–  Remove assembly sleeve.
  N23-0313
–  Place assembly sleeve -T10056/2- onto stop on unit injector.
–  Slide the middle, thinner O-ring carefully onto assembly sleeve and into seat on unit injector.
–  Remove assembly sleeve.
  N23-0314
–  Place assembly sleeve -T10056/3- onto stop on unit injector.
–  Push the lower O-ring carefully onto the assembly sleeve and into the seat of the unit injector.
–  Remove assembly sleeve.
–  Fit new heat shield seal together with securing clip.
–  Install unit injector → Chapter.
  N23-0315

Removing and installing unit injector > < Removing