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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® Transfer Pump

ADBLUE® Transfer Pump

Special tools and workshop equipment required 

Removing 

Follow all safety precautions SAFETY PRECAUTIONS .

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. Refer to SAFETY PRECAUTIONS .

-- Remove the reducing agent passive tank. Refer to ADBLUE® PASSIVE TANK .

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 transfer line -1- by pressing the release button.

Fig 1: Reducing Agent Transfer Pump And Rubber Bracket -2-
GWWA20-10664Courtesy of AUDI OF AMERICA, LLC

-- Clamp off the hose -5- with the 3094.

-- Carefully remove the hose from the connection on the reducing agent transfer pump -V436-.

-- Disconnect the connector -3-.

-- Remove the bolt -4- and remove the reducing agent transfer pump and rubber bracket -2-.

Installing 

Install in reverse order of removal. Note the following:

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