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Home >> Audi >> 2017 >> S3 Premium Plus >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> EXHAUST SYSTEM, EMISSION CONTROLS (4-Cylinder Direct Injection 1.8L; 2.0L 4V TFSI Engine) -- (A3 SEDAN) >> 26 Exhaust System, Emission Controls >> Emissions Control System >> Catalytic Converter, Removing And Installing >> Installing

Catalytic Converter, Removing And Installing: Installing

Install in reverse order of removal and note the following:

NOTE:

Replace seals and self-locking nuts.

Coat the exhaust manifold stud bolts with hot bolt paste. Refer to the Parts Information for the hot bolt paste.

-- Install the Heated Oxygen Sensor -G39-. Refer to HEATED OXYGEN SENSOR .

-- Attach the driveshaft to the bevel box. Refer to appropriate service information. .

-- Mount the catalytic converter on the turbocharger and install the screw-type clamp loosely.

-- Tighten the nuts and screw-type clamp. Refer to CATALYTIC CONVERTER - TIGHTENING SPECIFICATION AND SEQUENCE .

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