Table of contents: Disconnect the recovery lines ↓ Removal the injector for the "N474"… ↓ Installation ↓
Nozzle for reducing agent "N474" 1. Bolt: 5 Nm; 2. Fastening clamp; 3. Gasket: replace; 4. Nozzle for reducing agent "N474"; 5. Hose: for the restorer; to detach, press the release tabs; 6. Electrical connector; 7. Intake pipe
Disconnect the recovery lines
To disconnect the recovery lines, press the release tabs in the direction of the arrow.
Removal the injector for the "N474" restorer
Place a rag under the disconnection point to collect the escaping reducing agent. Disconnect the hose "1" on the reducing agent injector "N474" by pressing the release tabs. Disconnect the electrical plug connection "2". Disconnect the clamp "3" and remove the reducing agent injector "N474".
Installation
Installation is in reverse order, taking into account the following: Replace the gasket.
Installation position: The protrusions in the reducing agent injector "N474" "pos. 1" must be inserted into the corresponding fastenings in the exhaust pipe "2".
