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Home >> Audi >> 2024 >> S3 Premium >> Repair and Diagnosis >> External Pages >> Different car >> Section 152 (Exhaust System, Emission Controls (Servicing - 5-Cylinder 2.5L TFSI Engine)) >> 26 Exhaust System, Emission Controls >> Emissions Control System >> Catalytic Converter, Removing And Installing >> Installing

Catalytic Converter, Removing And Installing: Installing

WARNING: This page is about a different car, the 2024 Audi RS 3. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following.

-- Bring the catalytic converter and screw-type clamp -3- into the installation position but do not tighten yet.

GWWA26-11879Courtesy of AUDI OF AMERICA, LLC

-- Bring the heat shield -1- for the bevel box into the installation position and tighten the bolts -arrows-.

GWWA26-11834Courtesy of AUDI OF AMERICA, LLC

-- Install the bolt -2- all the way but do not tighten.

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

-- Install the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING .

-- Install the bolts -arrows- all the way but do not tighten.

GWWA26-11717Courtesy of AUDI OF AMERICA, LLC

-- Aligning the catalytic converter:

GWWA26-11904Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolts -arrows-.

GWWA26-11925Courtesy of AUDI OF AMERICA, LLC

-- Tighten the bolt -1-.

TIP:

If necessary, push the heat shield slightly to the side in order to tighten the bolt -1- from above.

-- Tighten the screw-type clamp -2-.

-- Check the adjustment dimension of the catalytic converter.

-- Install the Oxygen Sensor 1 Before Catalytic Converter -GX10-. Refer to HEATED OXYGEN SENSOR, REMOVING AND INSTALLING .

-- Install the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Install the rear catalytic converter or exhaust pipe. Refer to Emissions Control System ; Rear Catalytic Converter/Exhaust Pipe, Removing and Installing.

-- Install the exhaust system without tension. Refer to EXHAUST SYSTEM, INSTALLING WITHOUT TENSION .

NOTE:

If the catalytic converter with particulate filter was replaced, the ash load value must be reset using the => Vehicle Diagnostic Tester .

-- Connect the => Vehicle Diagnostic Tester.

-- Select Diagnostic  operating mode and Start diagnostics  .

-- Select the Select individual test  tab and select the following tree structure consecutively: