Reducing Agent Delivery Module: Installing

Install in reverse order of removal. Note the following:

NOTE:

Do not clean the delivery module for the reducing agent with compressed air.

Clean all components and connections with water and a lint-free cloth.

All components must be dry before assembling.

Coat the seals with lubricant before installing.

Check the seals for damage.

-- Clean all components and connections with water and a lint-free cloth.

-- Replace the shock absorber, refer to -item 3- in Figure.

-- Replace the spacer sleeves, refer to -item 2- in Figure.

-- Replace the seals, refer to -item 4- in Figure.

-- Position the reducing agent delivery module and push in the mount without tilting.

-- Apply the necessary force fully.

NOTE:

Markings are applied on the reducing agent tank supply line.

Fig 1: Identifying Reducing Agent Delivery Module

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

These names -S1- to -S3- show the tightening sequence.

The delivery module is replaced as follows.

Replace the bolts.

Tightening Sequence	Bolt Markings On The Supply Line	Bolt Position	Tightening Specification
1.	S1	Bolt with the largest distance to the seal
2.	S2	Bolt with the middle distance to the seal	6 Nm
3.	S3	Bolt with the smallest distance to the seal

-- Adapt the adaptation value for the Selective Catalytic Reduction (SCR) system after draining reducing agent or replacing components, refer to SCR-SYSTEM ADAPTATION VALUE, ADAPTING .