seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Pre-heating system > < SCR system (selective catalytic reduction)
Removing and installing glow plugs
Removing and installing glow plugs
Special tools and workshop equipment required
   
t  Flexible-head spanner SW 10 -3220-
  W00-0329
t  Pliers -3314-
Removing
–  Switch off ignition.
–  Remove engine cover → Chapter.
  Caution
t  Ensure that no line connection is damaged when disconnecting the glow plug connectors, as the entire wiring harness otherwise has to be renewed.
t  Do not squeeze the pliers -3314- too firmly when pulling off glow plug connectors, because otherwise the support sleeve may be damaged.
  W00-0019
–  Open retaining clips -arrows- on wiring harness and pull electrical connectors off glow plugs.
  A23-10431
–  Position pliers -3314- with groove -arrow A- on support sleeve shoulder -arrow B- and pull plugs off glow pin plugs.
–  Clean glow plug channel in cylinder head; make sure no dirt gets into cylinder.
  Note
t  Cleaning procedure:
t  Use a vacuum cleaner to remove coarse dirt.
t  Spray brake cleaner or suitable cleaning agent into glow plug opening, let it work in briefly and blow out with compressed air.
t  Then clean glow plug opening using a cloth moistened with oil.
  M97-0523
–  To loosen glow plugs use special tool U/J extension and 10 mm socket -3220-
Installing
Installation is carried out in the reverse order; note the following:
l  Specified torque 18 Nm
  W00-0329
–  Reattach glow plug connectors -1- to glow plugs -arrow-.
  Note
Make sure that glow plug connectors are firmly seated.
  M97-0530

Pre-heating system > < SCR system (selective catalytic reduction)