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Octavia Mk2

Drive unit > 2.0/110; 147 kW FSI Engine > Exhaust system > Exhaust gas system, engine identification characters BLR, BLX, BVY, BVX - Summary of components > Exhaust gas system - Summary of components, vehicles with four-wheel-drive (BLX, BVX)

Exhaust gas system - Summary of components, vehicles with four-wheel-drive (BLX, BVX)
   
Exhaust gas system - Summary of components, vehicles with four-wheel-drive (BLX, BVX)
1 - 25 Nm
q   replace
q   Coat pin screws of exhaust manifold with hot bolt paste -G 052 112 A3-
2 - Lambda probe downstream of catalytic converter -G130-, 55 Nm
q   Colour of the plug: black
q   the thread of new lambda probes must be coated with assembly paste
q   for re-used lambda probe, only coat the thread with hot bolt paste -G 052 112 A3-; the hot bolt paste -G 052 112 A3- must not get into the slots of the probe body
3 - Lambda probe 2 downstream of catalytic converter -G131-, 55 Nm
q   Colour of the plug: brown
q   the thread of new lambda probes must be coated with assembly paste
q   for re-used lambda probe, only coat the thread with hot bolt paste -G 052 112 A3-; the hot bolt paste -G 052 112 A3- must not get into the slots of the probe body
4 - Exhaust gas temperature sender 1 -G235-, 45 Nm
q   the thread of new senders must be coated with assembly paste
q   grease only the thread with hot bolt paste -G 052 112 A3- for re-used sender
5 - Front part of exhaust system
q   with NOx storage catalytic converter
q   protect against shocks and blows
q   with decoupling element
q   do not twist decoupling element more than 10° - risk of damage
q   removing and installing → Chapter
q   Align exhaust system free of stress → Chapter
6 - NOx sender -G295-, 55 Nm
q   the thread of new senders must be coated with assembly paste
q   grease only the thread with hot bolt paste -G 052 112 A3- for re-used sender
7 - Rear part of exhaust system
q   Align exhaust system free of stress → Chapter
8 - Hanger
q   replace if damaged
9 - 23 Nm
10 - 20 Nm
11 - Rear tunnel bridge
12 - Retaining strap
q   replace if damaged
13 - Middle part of exhaust system
q   Align exhaust system free of stress → Chapter
14 - Front clamping sleeve
q   align exhaust system free of stress before tightening → Chapter
q   Fitting position → Chapter
q   Tighten screwed connections uniformly
15 - 23 Nm
16 - Hanger
17 - Hanger
q   replace if damaged
18 - Gasket
q   replace

   

Drive unit > 2.0/110; 147 kW FSI Engine > Exhaust system > Exhaust gas system, engine identification characters BLR, BLX, BVY, BVX - Summary of components > Exhaust gas system - Summary of components, vehicles with four-wheel-drive (BLX, BVX)

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