Volkswagen Golf Service & Repair Manual: Removing and installing catalytic converter
 Note
| The catalytic converter is removed together with the front
exhaust pipe. |
| Special tools and workshop equipment
required |
| High-temperature paste
→ Electronic Parts Catalogue. |
Note
| Reinstall all cable ties in the same locations when
installing. |
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| – |
Detach electrical connectors -1-
and -2- from bracket, unplug
connectors and move electrical wiring clear. |
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Unscrew bolt -2- and remove
screw-type clip. |
| – |
Remove bolt -1- and nuts
-arrows-. |
| Vehicles with engine preheater heater element -Z97- |
| – |
Unclip locking mechanism -arrow-. |
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| – |
Pull off wiring -1- on engine
preheater heater element -Z97--2-. |
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| – |
Unscrew nuts -arrows- and
remove engine preheating element -Z97- with bracket. |
| Continuation for all vehicles |
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| – |
Unscrew bolts -arrows- of
bracket. |
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| – |
Unscrew right nut -arrow- of
bracket. |
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| – |
Unscrew nut -arrow- to the left
of the bracket. |
| – |
Remove tunnel cross-piece
→ General body repairs, exterior; Rep. gr.66. |
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| – |
Detach connector from retainer and lay wire leading to
lambda probe to one side. |
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| – |
Loosen clamp -arrow- and push
it to rear. |
| Vehicles with four-wheel drive |
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| – |
Unbolt flexible coupling of propshaft
-1- from bevel box
→ Final drive, differential; Rep. gr.39. |
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| – |
Push propshaft -1- as far as
stop in direction of -arrow-. |
| – |
Remove catalytic converter with front exhaust pipe
-2- downwards. |
| Continuation for all vehicles |
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| – |
Fit screwdriver -2- in recess
-arrow- on turbocharger and lever
out seal -1-. |
| Installation is carried out in the reverse order; note the
following: |
Note
| Renew seal and self-locking nuts. |
| Coat studs and bolts of catalytic converter with
high-temperature paste; high-temperature paste
→ Electronic Parts Catalogue. |
| – |
Aligning exhaust system free of tension
→ Chapter. |
| → Fig. „“Installing catalytic converter - tightening torque and
sequence”“ |
| → Chapter „Assembly overview - emission control“ |
| → General body repairs, exterior; Rep. gr.66 |
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1 -
Bolt
20 Nm
2 -
Bracket
Renew if damaged
3 -
Nut
Specified t ...
Other materials:
Primary locking element
The primary locking mechanism is what fixes an individual
crimp contact in the contact housing.
If necessary, any housing catches in place (secondary
locking mechanisms) must be released or removed prior to
disengaging the contacts using ...
Temporarily switch off the area monitoring system (Front Assist) in the following
situations
First read and observe the introductory information
and safety warnings The area monitoring system (Front Assist) should be switched
off in the following situations due to system limitations :
If the vehicle is being towed.
If the vehicle is on a rolling road test bed.
If t ...
Removing and installing speed sensors on front axle -G45-/-G47
Note
Removal and installation is described for the front left
speed sensor. Removal and installation of the front right speed
sensor is analogous.
Removing
–
Raise vehicle.
&n ...
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Assembly overview - emission control