Reducing Agent Injector -N474-, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

WARNING:

The reducing agent can cause skin irritation.

Always observe the safety precautions when working with reducing agent, refer to SCR SYSTEM SAFETY PRECAUTIONS .
Wear protective eyewear.

NOTE:

To catch escaping reducing agent place a clean cloth under the separation point.

Fig 1: Reducing Agent Injector -N474- For Vehicles With A Selective Catalytic Reduction System

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the metering line -1- from the Reducing Agent Injector -N474- by pressing the release buttons.

-- Disconnect the connector -2-.

-- Loosen the clamp -3- and remove the Reducing Agent Injector -N474-.