Recovering agent tank with attached components 1. Bolt: 4.2 Nm; 2. Rear left trim; 3. Thermal insulation shield of the reducing agent tank; 4. Recovering agent tank; 5. Filling line: from the filler neck; 6. Ventilation hose: from the neck; 7/9. Bushing; 8. Nozzle; 10. Bolt: 20 Nm; 11. Nut
Emptying the reducing agent tank
Open the tank cap. Unscrew cap "2" from the filler neck of the restorer. Ignore "Pos. 1".
Unscrew the bolts and nuts "arrows", remove the cover of the reducing agent tank.
Place a drain pan under the hole. Place a rag under the disconnection point to collect the outgoing reducing agent. Disconnect the return line "1" from the support cup by pressing the release tabs. Attach the auxiliary hose "2" to the "arrow" branch pipe of the support cup and drain the reducing agent into the receiving container. Close the open lines and branches with clean plugs from the plug kit for the "VAS 6122" engine.
After checking the filling, the following must be done: adaptation of the training value after draining the restorer or replacing parts.