Front Exhaust Pipe with Catalytic Converter

Front Exhaust Pipe with Catalytic Converter

Special tools, testers and auxiliary items required

• Torque Wrench (5-50 Nm) (V.A.G 1331)

• Hot Bolt Paste (G 052 118 A3)

Removing

- Remove the right underbody panel (if equipped) - arrows -.






Engine code CBTA:

- Unclip the wire - arrow -, pull off the bracket - 1 - and disconnect the connector - 2 - for the oxygen sensor after three way catalytic converter (G130).






Engine code CBUA:

- Unclip the lines - arrows -, pull off the bracket - 2 - and separate the connectors - 1 - for the oxygen sensor after three way catalytic converter and - 3 - for the oxygen sensor in Bank 1 center three way catalytic converter (G465).






Continuation for all Engine Codes:

- Loosen the nuts on the clamp - 1 -. The tunnel bridge for the vehicle floor must not be removed.






Danger of causing damage to the coupling element.

• Do not bend the coupling element more than 10°.

• Do not stretch the coupling element.

• Do not damage the wire mesh on the coupling element.

- Remove the front exhaust pipe with catalytic converter to exhaust manifold nuts - 2 - and the suspended mount bolts - 3 - from the subframe.






- Remove the front exhaust pipe with catalytic converter - 1 - from the exhaust manifold, slide toward the front at the sides and guide under the front cross member.

Installing

Installation is performed in the reverse order of removal. When doing this note the following:

• Replace gaskets and self-locking nuts.

• Install the exhaust system free of tension, refer to => [ Exhaust System, Installing ] Exhaust System, Installing.

Tightening Specifications






• 1 Coat the stud bolts on the exhaust manifold with hot bolt paste (G 052 118 A3)