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Home >> Audi >> 2017 >> RS 3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (EXHAUST SYSTEM (4-Cylinder TDI Common Rail 1.6L; 2.0L 4V Engine) -- (A3 SEDAN)) >> 26 Exhaust System >> Selective Catalytic Reduction System >> Overview - Reducing Agent Injector -N474-

Overview - Reducing Agent Injector -N474-

WARNING: This page is about a different car, the 2016 Audi A3 and 2015 Audi A3. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Reducing Agent Injector -N474-
GWWN26-11163Courtesy of AUDI OF AMERICA, LLC
  1. Reducing Agent Injector -N474-
  2. Clamp
  3. Coolant Line
  4. Coolant Line
  5. Emissions Control Module
  6. Bolt
    • 5 Nm 
    • Always Replace After Removing
  7. Screw-Type Clamp
    • 5 Nm 
    • Always Replace After Removing
  8. Rubber Ring
  9. Seal
    • Always Replace After Removing