Front Exhaust Pipe with Catalytic Converters

Front Exhaust Pipe with Catalytic Converters

Removing

- Remove the air filter housing. Refer to => [ Air Filter Housing ] Air Filter Housing.

- Disconnect the heated oxygen sensor (G39) harness connector - arrow - and free up the wire.






- From above, remove the nuts - arrows - for the front exhaust pipe to turbocharger.






- Remove the nuts accessible from below for the front exhaust pipe to turbocharger.

- Remove the nuts - arrows - and slightly pull the vehicle floor cover downward.






Engine Code CCTA:






- Disconnect the electrical connector - arrow - on the right side of the underbody.

- Remove the electrical connector out of the bracket and free up the electrical wire to the oxygen sensor.

Engine Code CBFA:






- Unclip the wires - arrows -, remove the bracket - 2 - and disconnect the connectors - 1 and 3 -.

Continuation for all Vehicles:






- Remove the suspended mount bolts - arrows -.

- Remove the tunnel bridge nuts - arrows - and tunnel bridge from the vehicle floor.







Danger of causing damage to the decoupling elements.

• Do not bend the decoupling element in the front exhaust pipe more than 10°.

- Loosen the clamping sleeve - 1 - and push it rearward.

- Remove the front exhaust pipe with catalytic converter.

Installing

Installation is performed in the reverse order of removal, noting the following:

• Lubricate the turbocharger stud bolts with hot bolt paste (G 052 112 A3).

• Replace gaskets and self-locking nuts.

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

Tightening Specifications