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Home >> Audi >> 2017 >> A7 Quattro Competition >> Repair and Diagnosis >> External Pages >> Different car >> Section 34 (3.0L - Exhaust System & Emission Controls - Engine Code: CPNB) >> 26 Exhaust System, Emission Controls >> Selective Catalytic Reduction System >> Reducing Agent Delivery Module, Removing And Installing >> Removing

Reducing Agent Delivery Module, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:

The reducing agent can cause skin irritation.

-- Remove the reducing agent tank, refer to REDUCING AGENT TANK, REMOVING AND INSTALLING .

-- Disconnect the connector -arrow-.

Fig 1: Disconnecting Connector
GWWA26-11187Courtesy of AUDI OF AMERICA, LLC

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

-- Release the locking ring -1- using the Wrench - SCR Tank T40268 counter clockwise and remove.

Fig 2: Identifying Wrench - SCR Tank T40268
GWWA26-11188Courtesy of AUDI OF AMERICA, LLC

-- Remove the heating reservoir with the Reducing Agent Pump -V437- from the tank.