Reducing Agent Delivery Module, Removing And Installing, Vehicles With Engine Code CPNA: Installing

WARNING: This page is about a different car, the 2016 Audi A8 Quattro and 2015 Audi A8 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

Install in reverse order of removal. Note the following:

CAUTION:

There is a risk of contamination.

Follow the guidelines for cleanliness when working on the fuel supply system. Refer to CLEAN WORKING CONDITIONS .

NOTE:

Replace the seal.

Clean the sealing surfaces thoroughly.

CAUTION:

Risk of malfunctions.

The sealing ring must not be twisted on itself.
Do not bend the heating mats when installing them.

-- Bring the reducing agent delivery unit into the installation position:

Fig 1: Identifying Latch -2-

Courtesy of AUDI OF AMERICA, LLC

The latch -2- on the locking flange must lie between tabs -1 and 3-.
The installation direction of the latch -2- is shown in the illustration above.

-- Lock the locking ring -1- clockwise using the : T40268 .

Fig 2: Identifying Locking Ring -1- And Wrench - SCR Tank T40268

Courtesy of AUDI OF AMERICA, LLC

The locking rink is correctly locked, when the retaining tabs on the locking ring and mounts are aligned -arrows A and B-.

Fig 3: Aligning Locking Rink
Courtesy of AUDI OF AMERICA, LLC

-- Install the reducing agent tank. Refer to REDUCING AGENT TANK, REMOVING AND INSTALLING .

-- Adapting Adaptation Value after Draining Reducing Agent or Replacing Components. Refer to SELECTIVE CATALYTIC REDUCTION (SCR) - SYSTEM ADAPTATION VALUE, ADAPTING .