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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 26 (3.0L - Exhaust System & Emission Controls - Engine Code: CATA) >> 26 Exhaust System, Emission Controls >> Reducing Agent Metering System >> Reducing Agent Transfer Pump -V436-, REMOVING AND INSTALLING >> Removal

Reducing Agent Transfer Pump -V436-, REMOVING AND INSTALLING: Removal

WARNING: This page is about a different variant/trim than selected.

Follow all safety precautions. Refer to WORKING ON REDUCING AGENT METERING SYSTEM, VEHICLES WITH SCR CATALYTIC CONVERTER .

Follow the guidelines for clean working conditions. Refer to FUEL SUPPLY, INJECTION SYSTEM AND CHARGING SYSTEM CLEAN WORKING CONDITIONS .

WARNING:

Danger due to reducing agent leaking out.

-- Remove the reducing agent passive tank (lower). Refer to REDUCING AGENT PASSIVE TANK, REMOVING AND INSTALLING .

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

-- Clamp off the hose -5- with the Hose Clamps - Up To 25mm 3094.

-- Carefully remove the hose from the connection on the Reducing Agent Transfer Pump -V436-.

-- Disconnect the connector -3-.

-- Remove the screw -4- and remove the Reducing Agent Transfer Pump -V436- and rubber bracket -2-.