LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> Engine Mechanical >> Exhaust >> 3.0L - Exhaust System, Emission Controls - Engine Code(S): CATA >> 26 Exhaust System, Emission Controls >> Removal And Installation >> ADBLUE® Active Tank

ADBLUE® Active Tank

Removing 

Follow all safety precautions SAFETY PRECAUTIONS .

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

-- Switch off ignition and remove ignition key.

WARNING:

The weight of the active tank could cause an accident.

  • The active tank must be empty when removing.

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

-- Open the fuel tank flap.

Fig 1: Locking Cap -2-
GWWA20-10560Courtesy of AUDI OF AMERICA, LLC

-- Clean the area around the reducing agent filler tube.

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

NOTE:

Seal the opening on the reducing agent filler tube with a plug to prevent dirt from entering the active tank.

-- Disconnect the connectors -2, 4, 5 and 6- and free up the wiring harness.

Fig 2: Active Tank
GWWA20-10569Courtesy of AUDI OF AMERICA, LLC
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.

-- Remove the metering line -7- by pressing the release button.

-- Disconnect the filling line -8- by pressing the release button.

-- Remove the bolts -1, 3 and 9-. A second technician must support the active tank.

-- Lower the active tank -1- slightly.

Fig 3: Active Tank -1-, Transfer Line -2-
GWWA20-10496Courtesy of AUDI OF AMERICA, LLC

-- Carefully guide filler tube out of rubber buffer inside the wheel housing so avoid paint damage.

-- Remove the transfer line -2- by pressing the release button.

Install in reverse order of removal. Note the following:

Installing 

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

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