Reducing Agent Delivery Module: Installing
Install in reverse order of removal. Note the following:
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 -item 3-.
-- Replace the spacer sleeves -item 2-.
-- Replace the seals -item 4-.
-- Position the reducing agent delivery module and push in the mount without tilting.
-- Apply the necessary force fully.
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 SCR system after draining reducing agent or replacing components, refer to SCR-SYSTEM ADAPTATION VALUE, ADAPTING .