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

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.

Read the safety precautions for handling reducing agent. Refer to SAFETY PRECAUTIONS WHEN WORKING ON SCR SYSTEM .

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

-- Remove the connector -4- from the mount, disconnect, and free up.

Courtesy of AUDI OF AMERICA, LLC

CAUTION:

There is a risk of injury due to escaping reducing agent.

Reducing agents may cause eye and skin irritation as well as injury to the respiratory system and possible poisoning.

- Wear protective eyewear.

- Wear safety gloves.

- Wear protective work clothing.

- Make sure there is a fresh air supply. Turn on exhaust extraction when in closed spaces.

-- Remove the connector -4- from the bracket, disconnect, and free up.

Courtesy of AUDI OF AMERICA, LLC

-- Hold a clean cloth under the separating point to catch escaping reducing agent.

-- Press release buttons in direction of -arrows-, and disconnect the reducing agent line -2- from the Reducing Agent Injector -N474-.

-- Loosen the clamps -3-, then clamp off the coolant hoses with the :3094 and remove the hose.

-- Loosen clamp -1-, and remove the Reducing Agent Injector -N474-.