Front Exhaust Pipe With Catalytic Converter: Removing

Fig 1: Disconnecting Heated Oxygen Sensor (HO2S) G39 Harness Connector

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-- Disconnect the heated oxygen sensor connector -arrow- and free up the wiring harness.

Fig 2: Front Exhaust Pipe/Turbocharger Nuts

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-- From the top, remove the front exhaust pipe to exhaust manifold/turbocharger nuts -arrows-.

-- Remove the noise insulation. Refer to Removal and Installation .

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

-- Remove the nuts -arrows- and slightly pull the underbody cover downward.

Fig 3: Identifying Right Vehicle Floor Cover Nuts

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Engine Code CBFA 

Fig 4: Disconnecting 4-Pin Electrical Harness Connector From Oxygen Sensor (O2S) Behind Three Way Catalytic Converter (TWC) G 130

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

Engine Code CCTA 

Fig 5: Identifying Right Side Of The Vehicle Floor Electrical Connector

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-- Disconnect the connector -arrow- on the underbody.

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

Continuation for All 

Fig 6: Exhaust System Bracket

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-- Remove exhaust system suspended mount bolts -arrows- from the subframe.

-- Remove the front cross member nuts -arrows- and cross member.

Fig 7: Front Cross Member

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

-- Remove the front exhaust pipe with catalytic converter.