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:
Safety precautions when working on the cooling system
Risk of scalding by hot coolant
When the engine is warm, the cooling system is under pressure.
Danger of scalding due to steam and hot coolant.
–
Always wear safety gloves.
–
Always wear safety goggles.
– ...
Repairing subframe
Special tools and workshop equipment required
Assembly tool -T10205-
Torque wrench -V.A.G 1332-
Hydraulic press -VAS 6178-
Foot pump -VAS 6179-
Assembly tool -VAS 6779-
...
Assembly overview - valves
1 -
Inlet valve
Do not rework. Only lapping in is permitted.
Valve dimensions
→ Chapter
Checking valve guides
→ Chapter.
2 -
Exhaust valve
Do not re ...
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Assembly overview - emission control