VW CGRA - Silencers and Catalytic Converters; Assembly Overview - Catalytic Converter

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2 Silencers and catalytic converters
⇒ “2.1 Assembly overview - catalytic converter”, page 256 .
⇒ “2.2 Assembly overview - silencers”, page 258
⇒ “2.3 Separating centre and rear silencers”, page 259 .
⇒ “2.4 Replacing tail pipes”, page 260 .
⇒ “2.5 Removing and installing catalytic converters”, page 260 .
⇒ “2.6 Aligning exhaust system free of stress”, page 265 .
⇒ “2.7 Checking exhaust system for leaks”, page 266 .
2.1 Assembly overview - catalytic converter
1 - Exhaust manifold
❑ For exhaust bank 1
❑ Removing and installing
⇒ page 253
2 - Seal
❑ Renew
3 - Lambda probe - G39-
❑ The screw thread on
new Lambda probes is
coated with assembly
paste.
❑ When re-using the old
Lambda probe, grease
thread with high-tem‐
perature paste - G 052
112 A3- ; the paste must
not get into the slots of
the probe body.
❑ Removing and installing
⇒ page 267
❑ 50 Nm
4 - Catalytic converter
❑ For exhaust bank 1
❑ Remove together with
catalytic converter for
exhaust bank 2
❑ Protect from damage by
knocks and impact.
❑ Removing and installing
⇒ page 260
5 - Nuts
❑ Renew
❑ Coat studs with high
temperature paste - G 052 112 A3- .
❑ 23 Nm
6 - Bolts
❑ 23 Nm
7 - Lambda probe after catalytic converter - G130-
❑ The threads on the new Lambda probes are coated with a special assembly paste.
Touareg 2010 ➤ , Touareg 2015 ➤
6-cylinder direct-injection engine (3.6 l engine, 4V) - Edition 12.2019
256 Rep. gr.26 - Exhaust system