Volkswagen Golf / Golf GTI / Golf Variant. Manual — part 728
2
Emissions Control
⇒ “2.1 Overview - Emissions Control”, page 348
.
⇒ “2.2 Catalytic Converter, Removing and Installing”, page 349
2.1
Overview - Emissions Control
1 - Bolt
❑ 20 Nm
2 - Bracket
❑ Replace if damaged
3 - Bolt
Tightening specification and
sequence. Refer to
⇒ Fig. ““Catalytic Converter -
.
4 - Nut
Tightening specification and
sequence. Refer to
⇒ Fig. ““Catalytic Converter -
.
5 - Bracket
❑ For catalytic converter
6 - Catalytic Converter
❑ With front exhaust pipe
❑ Protect catalytic con‐
verter from shocks and
impact stress
❑ Removing and instal‐
ling. Refer to
.
❑ Align the exhaust sys‐
tem free of tension. Re‐
fer to
7 - Screw-Type Clamp
❑ Replace after removing
❑ Installed position. Refer to
⇒ Fig. ““Installed Location of the Catalytic Converter Screw Clamp”“ , page 349
❑ Tightening specification and sequence. Refer to
⇒ Fig. ““Catalytic Converter - Tightening Specification and Sequence”“ , page 349
.
8 - Seal
❑ Replace after removing
9 - Turbocharger
10 - Nut
Tightening specification and sequence. Refer to
⇒ Fig. ““Catalytic Converter - Tightening Specification and Sequence”“ , page 349
.
11 - Nut
❑ 30 Nm
12 - Front Clamping Sleeve
❑ Before tightening, align exhaust system free of tension. Refer to
⇒ “1.4 Exhaust System, Installing without Tension”, page 345
❑ Installed position. Refer to
⇒ “1.6 Clamping Sleeve Installation Position”, page 347
❑ Tighten threaded connections evenly.
– Install the clamping sleeve in the shown position. The threa‐
ded connection -arrows- must not project over the lower edge
of the clamp.
Installed Location of the Catalytic Converter Screw Clamp
– Install the screw-type clamp in the shown position. The threa‐
ded connection -arrow- must have equal distance to the other
components.
Catalytic Converter - Tightening Specification and Sequence
– Tighten the threaded connections in steps in the sequence
shown:
Step Threaded Con‐
nections/Nuts
Tightening Specification
1.
-1, 3 and 4-
Install all the way in by hand.
• It must be possible to slide the cat‐
alytic converter and bracket back
and forth.
2.
-2-
15 Nm Note the installation position.
Refer to
⇒ Fig. ““Installed Location of the Cat‐
alytic Converter Screw Clamp”“ , page
.
3.
-1, 3 and 4-
20 Nm
2.2
Catalytic Converter, Removing and In‐
stalling
Special tools and workshop equipment required
♦ Hot bolt paste. Refer to the Parts Catalog.
Caution
This procedure contains mandatory replaceable parts. Refer
to component overview prior to starting procedure.
Mandatory Replacement Parts
♦ Seal - Catalytic Converter
Removing
Note
During installation, all cable ties must be installed at the same
location.
– Remove the connector -2- from the bracket and disconnect it.
Free up the wires.
– Remove the bolt -2- and the screw-type clamp.
Note
♦
The installed position is shown in the illustration with the en‐
gine removed.
♦
Ignore item -4-.
– Remove the nuts -1 and 3-.
– Remove the front tunnel brace -1-.
– Remove the bolts -arrows-.
– Loosen the clamping sleeve -arrow- and push it toward the
rear.
– Remove the catalytic converter with the front exhaust pipe.
Installing
– Place the screwdriver -2- into the opening -arrow- on the tur‐
bocharger and pry out the seal -1-.
– Install new seal.
– Mount the catalytic converter on the turbocharger and install
the screw-type clamp loose.
– Tighten the nuts and screw clamp. Refer to
⇒ Fig. ““Catalytic Converter - Tightening Specification and Se‐
. Pay attention to the installation position
of the screw-type clamp. Refer to
⇒ Fig. ““Installed Location of the Catalytic Converter Screw
– Install the exhaust system free of tension. Refer to
⇒ “1.4 Exhaust System, Installing without Tension”,
.
Assemble in reverse order of disassembly.
Tightening Specifications
♦ Refer to
⇒ “2.1 Overview - Emissions Control”, page 348
♦ Refer to ⇒ Body Exterior; Rep. Gr. 66 ; Underbody Panel;
Overview - Underbody Panels .
♦ Refer to ⇒ Body Exterior; Rep. Gr. 66 ; Noise Insulation;
Overview - Noise Insulation .
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