seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Secondary air system > < Exhaust gas recirculation system
4-cyl. injection engine (2 valve without intermediate shaft), Mechanics
Removing and installing parts of exhaust system
Exhaust manifold, front exhaust pipe and catalyst with attachments
 
N26-0375
  • Seal
    • ◆ Renew
  • Connector
    • ◆ Black, 6-pin
    • ◆ Contacts gold plated
    • ◆ For Lambda probe 1 before catalyst (G39) and Lambda probe heater (Z19)
  • Lambda probe 1 before catalyst (G39)*, 50Nm
    • ◆ Constantly operating Lambda probe
    • ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
    • ◆ Remove and install with Lambda probe open ring spanner set 3337
    • ◆ Checking:

=> Repair group 24; Checking functions; Checking Lambda probe and Lambda regulation before catalyst

 
N26-0375
  • 25 Nm
    • ◆ Renew
  • Union, 35 Nm
    • ◆ For secondary air injection connecting pipe =>Page 26-9
  • Union, 35 Nm
    • ◆ For exhaust gas recirculation connecting pipe =>Page 26-18
  • Exhaust manifold
  • Gasket
    • ◆ Renew
  • 40 Nm
    • ◆ Renew
  • Front exhaust pipe
  • Hexagon bolt
 
N26-0375
  • Connector
    • ◆ Black, 4-pin
    • ◆ Contacts 3 and 4 gold-plated
    • ◆ For Lambda probe 2 after catalyst (G130) and Lambda probe heating (Z29)
  • Lambda probe 2 after catalyst (G130)*, 50 Nm
    • ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
    • ◆ Remove and install with Lambda probe open ring spanner set 3337
    • ◆ Checking:

=> Repair group 24; Checking functions; Checking Lambda probe and Lambda regulation after catalyst

  • To front silencer
 
N26-0375
  • Catalyst
    • ◆ If part is renewed, you must interrogate and erase fault memory:

=> Repair Group 01; Fault memory; Interrogating and erasing engine control unit fault memory

  • Heat shield
  • 10 Nm
  • Retaining clip
  • 25 Nm
  • 40 Nm
  • Support

Secondary air system > < Exhaust gas recirculation system