ADBLUE® Passive Tank

Special tools and workshop equipment required

Removing

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

WARNING:

Danger due to reducing agent leaking out.

To prevent large amounts of reducing agent when opening the metering line, wait for the recirculation process to complete SAFETY PRECAUTIONS .

-- AdBlue® active tank, draining. Refer to ADBLUE® ACTIVE TANK, DRAINING .

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

-- Remove the left underbody trim bolts in the center near the passive tank. Refer to the appropriate service information .

WARNING:

The weight of the passive tank could cause an accident.

-- Place the V.A.G 1383 A under the passive tank for support.

Fig 1: V.A.G 1383

Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -1, 2 and 4-.

Fig 2: Passive Tank -3- Bolts -1, 2 And 4-

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The passive tank is shown with the engine/transmission jack.

-- Lower the passive tank -3- with the V.A.G 1383 A approximately 100 mm while guiding the passive tank by hand.

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.

-- Unclip the transfer line -2- on the bracket -arrow- and disconnect the reducing agent transfer pump -V436- by pressing the release button.

Fig 3: Transfer Line -2-, Connector -1-

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1- and free up the electrical wire.

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.

Fig 4: Supply Line -1- And Ventilation Line -2-

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the supply line -1- and the ventilation line -2- by pressing the release button.

-- Lower the passive tank with the V.A.G 1383 A while guiding the tank by hand.

Installing

Install in reverse order of removal. Note the following:

For the correct tightening specifications, refer to ADBLUE® PASSIVE TANK AND ATTACHMENTS OVERVIEW .

-- Install the left underbody trim in the center. Refer to the appropriate service information .

-- Make sure the lines are clipped to the passive tank.

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 .