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Home >> Audi >> 2010 >> S4 Automatic DCT >> Repair and Diagnosis >> External Pages >> Different car >> Section 939 (Exhaust System, Emission Controls (CREC, Cred, CREH)) >> 26 Exhaust System, Emission Controls >> Emissions Control >> Catalytic Converter, Removing And Installing >> Left Catalytic Converter, Removing And Installing >> Removing

Left Catalytic Converter, Removing And Installing: Removing

WARNING: This page is about a different car, the 2018 Audi A6 Quattro, 2017 Audi A6 Quattro, and 2016 Audi A6 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:

During installation, all cable ties must be installed at the same location.

-- Remove the Oxygen Sensor 2 after Catalytic Converter -G131-. Refer to HEATED OXYGEN SENSOR 2 -G108- /OXYGEN SENSOR 2 AFTER CATALYTIC CONVERTER -G131-, REMOVING AND INSTALLING .

-- Remove The Subframe Crossbrace. Refer to SUBFRAME CROSSBRACE, REMOVING AND INSTALLING .

CAUTION:

The Suspension Components Could Be Damaged.

  • Do not rest the vehicle on its wheels if the subframe mount, the steering gear or the subframe crossbrace are not installed correctly.

-- Remove the left front muffler. Refer to FRONT MUFFLER, REMOVING AND INSTALLING .

-- Remove The Left Front Wheel Housing Liner. Refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- Remove the steering intermediate shaft from the steering gear and then push the splines into each other. Refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

-- Remove the bolt -2- and the nut -3- and press the coolant pipe on the transmission to the side.

GWWA19-11690Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore items -1 and 4-.

-- Remove the bolts -arrows- and cover -1- from the transmission.

GWWA26-11058Courtesy of AUDI OF AMERICA, LLC

-- Loosen the threaded connection -2- and move the tab -1- downward in direction of -arrow-.

GWWA26-11059Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows-.

GWWA26-10415Courtesy of AUDI OF AMERICA, LLC
NOTE:

Ignore item -1-.

-- Mount the :T10337  on the engine and gearbox jack and attach it to the bottom of the transmission.

GWWA37-10864Courtesy of AUDI OF AMERICA, LLC

-- Lift the transmission slightly with the engine and gearbox jack.

WARNING:

There Is The Risk Of An Accident.

  • The engine and gearbox jack may only be used during assembly and must not be left unsupervised under the vehicle.

-- Remove the bolts from the tunnel crossmember -arrows-.

GWWA10-11379Courtesy of AUDI OF AMERICA, LLC

-- Lower the tunnel crossmember to dimension -a- using the :VAS6931  .

GWWA10-10867Courtesy of AUDI OF AMERICA, LLC

-- Remove the left catalytic converter.