Front Exhaust Pipe With Catalytic Converters

Removing 

-- Remove the air filter housing. Refer to AIR FILTER HOUSING .

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

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

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

Fig 2: Identifying Front Exhaust Pipe/Turbocharger Nuts

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-- 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.

Fig 3: Identifying Right Vehicle Floor Cover Nuts

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Engine Code CCTA 

Fig 4: Identifying Right Side Of The Vehicle Floor Electrical Connector

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-- 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 

Fig 5: Identifying 4-Pin Electrical Harness Connector From Oxygen Sensor (O2S) And Three Way Catalytic Converter (TWC) G130

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

Continuation for all Vehicles 

Fig 6: Identifying Exhaust System Bracket

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-- Remove the suspended mount bolts -arrows-.

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

Fig 7: Identifying Vehicle Floor Front Cross Member

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-- 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 .

Tightening Specifications