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Overview - Emissions Control System

WARNING: This page is about a different car, the 2022 Audi S4 and 2022 Audi A4 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Emissions Control System
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 2.
  6. Catalytic Converter
  7. Nut
    • 23 Nm
    • Replace after removing

Installation Position of the Catalytic Converter Screw-Type Clamp

Fig 2: 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 - All with Particulate Filter except Audi Q7/Q8

Fig 3: 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 4: 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