ADBLUE® Active Tank, Draining

Special tools and workshop equipment required

Procedure

Follow the guidelines for cleanliness. Refer to CLEAN WORKING CONDITIONS .

-- On a vehicle with air suspension, activate vehicle lift mode. Refer to the appropriate service information .

-- Remove the right rear wheel housing liner. Refer to the appropriate service information .

NOTE:

Place a clean cloth under the separating location to catch any reducing agent that may leak out.

Seal off all open lines and connections with clean plugs.

WARNING:

The reducing agent can cause skin irritation.

Avoid contact with skin and eyes! Always wear protective gloves and safety glasses.
If reducing agent should get on your skin, wash it off immediately with soap and water.
If reducing agent gets in your eye, rinse the eye for several minutes with water.
Never inhale or swallow the reducing agent!
Should you swallow any reducing agent, rinse your mouth, drink plenty of water and contact a doctor immediately.

-- Disconnect the return line -1- on the reducing agent delivery unit by pressing the release button.

Fig 1: Return Line -1-, Extension Hose -2-

Courtesy of AUDI OF AMERICA, LLC

-- Attach an extension hose -2- to the reducing agent delivery unit connection -arrow- and drain the reducing agent into the container.

-- Open the fuel tank flap.

Fig 2: Locking Cap -2-

Courtesy of AUDI OF AMERICA, LLC

-- Remove the locking cap -2- from the reducing agent filler tube.

NOTE:

Ignore -1-.

-- Drain the reducing agent inside the active tank as far as possible into the drip tray using a hose.

-- Seal the open lines and connections with clean plugs from the VAS 6122.

After Filling, the following Steps must be Performed:

-- Adapting adaptation value after draining AdBlue® or replacing components. Refer to ADAPTING ADAPTATION VALUE AFTER DRAINING ADBLUE® OR REPLACING COMPONENTS .