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Home >> Audi >> 2018 >> S3 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 49 (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 >> Overview - Emissions Control System >> Catalytic Converter - Tightening Specification And Sequence

Catalytic Converter - Tightening Specification And Sequence

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GWWA26-10998Courtesy of AUDI OF AMERICA, LLC

-- Tighten the threaded connections in steps in the sequence shown:

Step Screw-Type Clamp/Nuts Tightening Specification
1. -1, 3 and 4- Install by hand all the way
  • It must be possible to slide the catalytic converter and bracket back and forth.
2. -2- Tighten the screw-type clamp to 15 Nm.
3. -1, 3 and 4- Tighten to 20 Nm
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