seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Injector pump unit: removing and fitting > < Injector pump - assembly overview
O-rings for the injection pump: removing and fitting
O-rings for the injection pump: removing and fitting
t  Removing → Anchor
t  Fitting → Anchor
Check the tool and equipment equivalence table according to the applicability between Seat / VW / Audi / Skoda → Chapter
Special tools and workshop equipment required
   
t  Guide sleeve -T10056-, see equivalent → Anchor
Removing
–  Remove the injector pump → Chapter
–  Remove the used O-rings very carefully from the injector pump assembly.
–  Ensure above all that no burrs are formed on O ring seat.
Installing
  Note
t  To fit the O-rings, always use the guide sleeves. If they are not used, there is a danger of damaging the O-rings.
t  Pay attention to the correct O-ring and groove correspondence.
t  Fit the O-rings straight, without rotating them. They should not be twisted in the seat of the injector pump unit.
–  Remove the heat proof joint along with the securing washer.
–  Clean carefully, the contact surfaces of the O-rings in the injection pump.
  W00-0989
–  Fit the guide -T10056/1- to the limit on the injector-pump unit.
–  Slide the upper O-ring (the thickest ring) very carefully onto the sleeve and move it into the allotment of the injection pump.
–  Remove the guide sleeve.
  N23-0313
–  Fit the guide -T10056/2- to the limit on the injector-pump unit.
–  Slide the centre O-ring (thinner ring) very carefully onto the sleeve and move it into the allotment of the injection pump.
–  Remove the guide sleeve.
  N23-0314
–  Fit the guide -T10056/3- to the limit on the injector-pump unit.
–  Slide the lower O-ring very carefully onto the sleeve and move it into the allotment of the injection pump.
–  Remove the guide sleeve.
–  Fit a new heat proof joint along with the securing washer.
  N23-0315

Injector pump unit: removing and fitting > < Injector pump - assembly overview