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Home >> Volkswagen >> 2023 >> ID.4 S >> Repair and Diagnosis >> External Pages >> Different car >> Section 167 (Exhaust System, Emission Controls) >> 26 Exhaust System, Emission Controls >> Emissions Control System >> Catalytic Converter, Removing And Installing, Fwd >> Catalytic Converter, Removing And Installing >> Removing

Catalytic Converter, Removing And Installing: Removing

WARNING: This page is about a different car, the 2023 Volkswagen Arteon. However, it is still accessible from the selected car via links, so may be relevant.

Requirement

The front exhaust pipe catalytic converter will be called catalytic converter in the information that follows.

-- Engine Cover, Removing and Installing. Refer to Engine Cover, Removing and Installing .

-- Disconnect the connector -2- and free it up.

GWWA24-12190Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Mark the clamp installation position.

Fig 1: Positioning the Clamp
GWWN26-10986Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Loosen the clamp -1- and place it on the turbocharger.

GWWN10-10830Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the Oxygen Sensor 1 After Catalytic Converter -GX7-. Refer to OXYGEN SENSOR 1 AFTER CATALYTIC CONVERTER GX7, REMOVING AND INSTALLING .

-- Remove the rear tunnel brace -1-. Refer to TUNNEL BRACE, REMOVING AND INSTALLING .

Fig 2: Identifying Tunnel Brace Nuts
GWWA66-11002Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the Exhaust Gas Temperature Sensor 3 -G495- -1-. Refer to EXHAUST GAS TEMPERATURE SENSOR, REMOVING AND INSTALLING, AWD , EXHAUST GAS TEMPERATURE SENSOR, REMOVING AND INSTALLING, FWD  .

GWWN26-11711Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the Exhaust Gas Temperature Sensor 4 -G648- -2-. Refer to EXHAUST GAS TEMPERATURE SENSOR, REMOVING AND INSTALLING, AWD , EXHAUST GAS TEMPERATURE SENSOR, REMOVING AND INSTALLING, FWD  .

-- Remove the pressure lines -1 and 2-.

GWWN26-11712Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Vehicles with Front Axle Differential Lock

-- Remove the right wheel and the right wheel housing liner. Refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- Lower the subframe. Refer to SUBFRAME, LOWERING .

-- Remove the drive axle heat shield. Refer to DRIVE AXLE HEAT SHIELD, REMOVING AND INSTALLING .

Continuation for All Vehicles

-- Remove the bolts -1 and 2- and move to the side the pressure lines.

GWWN26-11713Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Remove the bolt -2-.

GWWN26-000003Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- Loosen the nuts -arrows-.

GWWN26-11177Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

Requirement

-- Support the catalytic converter.

-- Push the front clamping sleeve -1- rearward.

-- Screw out the catalytic converter.

-- Slide the screwdriver -2- into the groove -arrow- on the turbocharger and pry out the seal -1-.

Fig 3: Prying Out Seal
GWWN21-10610Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.