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Home >> Audi >> 2019 >> S4 Premium Plus >> Repair and Diagnosis >> External Pages >> Different car >> Section 63 (Exhaust System, Emission Controls (4-Cylinder Direct Injection 2.0L 4V TFSI Engine (Ea 888EVO4))) >> 26 Exhaust System, Emission Controls >> Emissions Control System >> Overview - Emissions Control System

Overview - Emissions Control System

WARNING: This page is about a different car, the 2021 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
GWWA26-12338Courtesy of AUDI OF AMERICA, LLC
  1. Particulate Filter
  2. Seal
    • Replace after removing
  3. Turbocharger
  4. Seal
    • Replace after removing
  5. Screw-Type Clamp
    • 15 Nm
    • Replace after removing
    • Installation position. Refer to Fig 1.
  6. Catalytic Converter
  7. Nut
    • 23 Nm
    • Replace after removing

Installation Position of the Catalytic Converter Screw-Type Clamp

Fig 1: Installation Position of the Catalytic Converter Screw-Type Clamp
GWWA26-12310Courtesy of AUDI OF AMERICA, LLC

Individual Components for Mounting the Particulate Filter to Transmission - Vehicles with Particulate Filter

Fig 2: Individual Components for Mounting the Particulate Filter to Transmission
GWWA26-11959Courtesy of AUDI OF AMERICA, LLC
  1. Spacer Sleeve
  2. Spacer Sleeve
  3. Pressure Spring
  4. Washer
  5. Bolt - 23 Nm
  6. Bolt - 23 Nm
  7. Spacer Sleeve
  8. Rubber Bushing
  9. Tab

Individual Components for Mounting the Catalytic Converter to Transmission - Vehicles with Particulate Filter

Fig 3: Individual Components for Mounting the Catalytic Converter to Transmission
GWWA26-11960Courtesy of AUDI OF AMERICA, LLC
  1. Spacer Sleeve
  2. Pressure Spring
  3. Washer
  4. Bolt - 23 Nm
  5. Spacer Sleeve
  6. Bolt - 23 Nm
  7. Rubber Bushing
  8. Tab
  9. Spacer Sleeve