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Exhaust manifold, front exhaust pipe and catalyst with attachments > < Removing and installing parts of exhaust system

Polo Mk3

4-Cyl. injection engine (4-valve, roller rocker arm), Mechanics
Removing and installing parts of exhaust system
Exhaust manifold, front exhaust pipe and catalyst with attachments
 
N26-0333

Engine codes: AFK, AHW

Engine codes: APE, AUA, AUB, AQQ

  • Warm air collector plate
  • 10 Nm
    • ◆ Note tightening sequence
      Page => 26-4 , Fig. 1
  • Exhaust manifold
  • Gasket
    • ◆ Renew
  • Lock nut, 25 Nm
  • Exhaust gas recirculation valve flange
    • ◆ Engine code AHW
    • ◆ => Page 26-19 , item 10
  • To silencer
 
N26-0333
  • Marking
    • ◆ Three times on circumference
  • Main catalyst
  • Front exhaust pipe with catalyst
  • Mounting
    • ◆ Renew if damaged
  • Lambda probe, 50 Nm
    • ◆ Grease only the threads with "G5"; "G5" must not get into the slots on the probe body
    • ◆ Remove and install with ring spanner 3337
    • ◆ Checking:

=> Repair group 24; Checking function; Checking Lambda probe and Lambda regulation

  • 40 Nm
  • Gasket
    • ◆ Renew
  • Bracket
 
N26-0252

→ Fig. 1     Tightening sequence, warm air collector plate on exhaust manifold.

  •      1 -     Tighten bolt -1-, 10Nm
  •      2 -     Tighten bolt -2-, 10Nm
  •      3 -     Tighten bolts -3-, 10Nm

Exhaust manifold, front exhaust pipe and catalyst with attachments > < Removing and installing parts of exhaust system