seat Workshop Repair Guides

SEAT Workshop Service and Repair Manuals

Silencer with mountings > < Removing and installing parts of exhaust system
5-cyl. injection engine, (4-valve), Mechanics
Removing and installing parts of exhaust system
Exhaust manifold, front exhaust pipe and catalyst with attachments
 
N26-0424

Notes:

  • ◆ Components marked with an * are checked by the self-diagnosis:

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

  • ◆ After working on the exhaust system, ensure that the system is not under stress, and that there is sufficient clearance to the bodywork. If necessary, loosen double clamps and align silencer and exhaust pipe so that sufficient clearance is maintained to the bodywork and the support rings are evenly loaded.
  • ◆ Renew self-locking nuts
 
N26-0424
  • Heat shield
  • 20 Nm
  • Exhaust manifold
    • ◆ 2 part
  • Gasket
    • ◆ Renew
  • Heat shield
  • Sheet metal nut
    • ◆ Must be screwed-on/off
  • Front exhaust pipe
  • Connector
    • ◆ For Lambda probe 2 after catalyst (G130) and Lambda probe heating (Z29)
    • ◆ Black, 4-pin
    • ◆ Contacts 3 and 4 gold-plated
 
N26-0424
  • Connector
    • ◆ For Lambda probe 1 before catalyst (G39) and Lambda probe heater (Z19)
    • ◆ Black, 6-pin
    • ◆ Contacts gold plated
  • Lambda probe 2 after catalyst (G130)*, 50 Nm
    • ◆ Remove and install with Lambda probe open ring spanner set 3337
    • ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
    • ◆ If sealing ring is leaking nip open and replace.
    • ◆ Checking:

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

  • Catalyst
    • ◆ Checking
 
N26-0424
  • To front silencer
    • ◆ => Page 26-7, item 6
  • Securing clip
  • 8 Nm
  • 20 Nm
    • ◆ Renew
  • Lambda probe 1 before catalyst (G39)*, 50Nm
    • ◆ Remove and install with Lambda probe open ring spanner set 3337
    • ◆ Grease only the threads with "G 052 112 A3"; "G 052 112 A3" must not get into the slots on the probe body
    • ◆ If sealing ring is leaking nip open and replace.
    • ◆ Checking:

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

 
N26-0424
  • 45 Nm
    • ◆ Renew

Silencer with mountings > < Removing and installing parts of exhaust system