seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

SCR system (selective catalytic reduction) > < Exhaust gas recirculation system
Exhaust gas temperature sender 3G495: Removing and installing.
Exhaust gas temperature sender 3 -G495-: Removing and installing.
  Caution
Threads of exhaust temperature sender -G495- and -G648- are coated. Do NOT additionally grease with high-temperature paste and always adhere to the prescribed tightening torque → Chapter. Otherwise this can lead to loosening of the nuts/bolts and subsequent failure.
Special tools and workshop equipment required
   
t  Tool set, 17 mm -T10395-
  W00-10767
Removing
–  Remove Lambda probe -G39- → Chapter.
–  Disconnect electrical connector -2- for exhaust temperature sender 3 -G495- and free electrical line.
  N10-10523
–  The exhaust gas temperature sender 3 -G495--Pos. 1-.
Installing
l  Specified torque → Chapter „Assembly overview - exhaust gas temperature regulation“.
Installation is carried out in the reverse order; note the following:
  Note
When fitting, attach all cable ties back to the same location.
  A26-10721
Observe the fitting location of the exhaust gas temperature sender 3 -G495--Item 1-:
l  Angled end to left-hand side of vehicle.
l  Angle -α- to marking -arrow- = approx. 17°.
l  Specified torque → Chapter.
–  Install Lambda probe -G39- → Chapter.
–  Electrical connections and routing → Current flow diagrams, Electrical fault finding and Fitting locations.
  A26-10729

SCR system (selective catalytic reduction) > < Exhaust gas recirculation system