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Home >> Audi >> 2016 >> S5 Prestige, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 656 (2.0L - Exhaust System & Emission Controls - Engine Code(S): CAEB, CHJA, CPMA & CPMB) >> 26 Exhaust System, Emission Controls >> Emissions Control >> Catalytic Converter, Removing And Installing >> Catalytic Converter, Removing And Installing, Non-Hybrid Vehicles >> Removing

Catalytic Converter, Removing And Installing, Non-Hybrid Vehicles: Removing

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NOTE:

When installing, bring all cable ties back to same positions.

-- Remove the engine cover, refer to ENGINE COVER, REMOVING AND INSTALLING .

Connector Bracket, Version 1 

Fig 1: Component And Connectors
GWWA24-10590Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1- from the Oxygen Sensor After Three Way Catalytic Converter -G130- and Heater For Oxygen Sensor 1 After Catalytic Converter -Z29- and free up the wires.

-- Disconnect the connector -2- from the Heated Oxygen Sensor -G39- and Oxygen Sensor Heater -Z19- and free up the wires.

Connector Bracket, Version 2 

Fig 2: Identifying Heated Oxygen Sensor & Connector
GWWA24-10993Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -arrow- from the Heated Oxygen Sensor -G39- and free up the wires.

Connector Bracket, Version 3 

Fig 3: Oxygen Sensor Harness Connector
GWWA24-11274Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -arrow- on the Oxygen Sensor after Three Way Catalytic Converter -G130- and free up the wires.

Continuation for All Vehicles 

-- Remove the air filter housing, refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Remove the noise insulation, refer to OVERVIEW - NOISE INSULATION .

Vehicles with Parking Heater 

Fig 4: Clamping Upper Coolant Lines On Coolant Pipe With -3094-
GWWA26-10813Courtesy of AUDI OF AMERICA, LLC

-- Clamp the parking heater coolant hoses up with Hose Clamps - Up To 25mm 3094 and disconnect them.

-- Remove the nut -1- for the coolant lines from the body.

-- Clamp the parking heater coolant hoses down with Hose Clamps - Up To 25mm 3094 and disconnect them.

Fig 5: Clamping Lower Coolant Pipes On Coolant Pipe With -3094-
GWWA26-10814Courtesy of AUDI OF AMERICA, LLC

-- Disconnect and remove the coolant lines -1- from the body.

Continuation for All Vehicles 

Fig 6: Identifying Catalytic Converter
GWWA21-10310Courtesy of AUDI OF AMERICA, LLC

-- Remove the front muffler, refer to FRONT MUFFLER, REMOVING AND INSTALLING, NON-HYBRID VEHICLES .

-- Disconnect the threaded connection -1-, remove the bolt -2- and remove the catalytic converter mounting.

-- Remove the bolts -arrows- and remove the heat shield from the right drive axle.

Fig 7: Drive Axle Heat Shield & Bolts
GWWA37-10841Courtesy of AUDI OF AMERICA, LLC

-- Remove the nuts -arrows- and remove the catalytic converter upward.

Fig 8: Identifying Catalytic Converter Flange Nuts
GWWA21-10320Courtesy of AUDI OF AMERICA, LLC