VW Golf manuals

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.
Removing
  Note
Reinstall all cable ties in the same locations when installing.
   
–  Detach electrical connectors -1- and -2- from bracket, unplug connectors and move electrical wiring clear.
 

Removing and installing catalytic converter

–  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-.
 

Removing and installing catalytic converter

–  Pull off wiring -1- on engine preheater heater element -Z97--2-.
 

Removing and installing catalytic converter

–  Unscrew nuts -arrows- and remove engine preheating element -Z97- with bracket.
Continuation for all vehicles
 

Removing and installing catalytic converter

–  Unscrew bolts -arrows- of bracket.
 

Removing and installing catalytic converter

–  Unscrew right nut -arrow- of bracket.
 

Removing and installing catalytic converter

–  Unscrew nut -arrow- to the left of the bracket.
–  Remove tunnel cross-piece → General body repairs, exterior; Rep. gr.66.
 

Removing and installing catalytic converter

–  Remove bolts -arrows-.
–  Detach connector from retainer and lay wire leading to lambda probe to one side.
 

Removing and installing catalytic converter

–  Loosen clamp -arrow- and push it to rear.
Vehicles with four-wheel drive
 

Removing and installing catalytic converter

–  Unbolt flexible coupling of propshaft -1- from bevel box → Final drive, differential; Rep. gr.39.
–  Remove bolts -arrows-.
 

Removing and installing catalytic converter

–  Push propshaft -1- as far as stop in direction of -arrow-.
–  Remove catalytic converter with front exhaust pipe -2- downwards.
Continuation for all vehicles
 

Removing and installing catalytic converter

–  Fit screwdriver -2- in recess -arrow- on turbocharger and lever out seal -1-.
Installing
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.
Specified torques
→ Fig. „“Installing catalytic converter - tightening torque and sequence”“
→ Chapter „Assembly overview - emission control“
→ General body repairs, exterior; Rep. gr.66
 

Removing and installing catalytic converter

Assembly overview - emission control
1 -  Bolt 20 Nm 2 -  Bracket Renew if damaged 3 -  Nut Specified t ...

Ignition system, glow plug system
...

Other materials:

Removing and installing tank flap unit
Removing     –  Screw off tank cover. –  Remove bolt -3-. –  Slightly pull tank flap unit towards rear -arrow a- out of catches. –  Swing tan ...

Removing and installing upper transverse link, front-wheel drive
Special tools and workshop equipment required     Torque wrench -V.A.G 1332- Removing –  Loosen wheel bolts. –  ...

Pressing tyre off wheel rim
Unscrew valve insert.   Note If bonded wheel trims are fitted, treat them with great care. The surface is susceptible to scratches. If the wheel trim is damaged, renew wheel rim.   ...

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