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Home >> Audi >> 2021 >> TT Quattro RS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Exhaust System, Emission Controls (Servicing - 4-Cylinder 2.0L 4V TFSI Engine (Ea 888 Generation III)) [Coupe]) >> 26 Exhaust System, Emission Controls >> Exhaust Temperature Regulation >> Overview - Exhaust Temperature Regulation

Overview - Exhaust Temperature Regulation

WARNING: This page is about a different variant/trim than selected.
Fig 1: Exploded View Of Emissions Control System, Vehicles With Particulate Filter
GWWA24-11960Courtesy of AUDI OF AMERICA, LLC
  1. Post-Particulate Filter Temperature Sensor -G527- or Exhaust Gas Temperature Sensor 4 -G648-
  2. Nut
    • 9 Nm
  3. Pre-Particulate Filter Temperature Sensor -G506- or Exhaust Gas Temperature Sensor 3 -G495-
  4. Oxygen Sensor After Catalytic Converter -G130- with Heater for Oxygen Sensor 1 After Catalytic Converter -Z29- or Oxygen Sensor 1 After Catalytic Converter -GX7-
  5. Heated Oxygen Sensor -G39- with Oxygen Sensor Heater -Z19- or Oxygen Sensor 1 Before Catalytic Converter -GX10-
  6. Bolt
    • Tightening specification. Refer to -item 6) Bolt
  7. Exhaust Pressure Sensor 1 -G450-
  8. Bolt
    • Refer to -item 8) Bolt
  9. Pressure Lines
  10. Heat Shield
  11. Nut
    • Tightening specification. Refer to -item 11) Nut
  12. Bolt
    • Tightening specification. Refer to -item 12) Bolt
  13. Bolt
    • Tightening specification. Refer to -item 13) Bolt
  14. Bolt
    • Tightening specification. Refer to -item 14) Bolt
  15. Bolt
    • Tightening specification. Refer to -item 15) Bolt
  16. Bracket
    • For the pressure line
  17. Union Nut
    • Tightening specification. Refer to -item 17) Union Nut
  18. Union Nut
    • Tightening specification. Refer to -item 18) Union Nut