Remove/install AdBlue(R) tank

AR49.20-B-2014EVI

Remove/install AdBlue(R) tank

03.08.2018

Engine

936.9 in model 382.155/189

with code MS6 (Euro VI)

1

AdBlue tank

2

AdBlue return line

3

AdBlue delivery line

4

Coolant lines

5

Electric connection

6

Closing ring

7

Fastening rail

B74

Filling level sensor/temperature sensor of AdBlue

A

Variant with closing ring

B

Variant with closing by screws

 

Remove/install

 Warning

Risk of burn injuries and scalding when working at AdBlue lines and the components attached to them. Risk of injury to skin and eyes when handling AdBlue. Risk of poisoning caused by swallowing AdBlue

Pour AdBlue into suitable containers only. Wait until the pressure is released before starting any work on the exhaust aftertreatment system.

AS14.40-Z-0001-01A

Notes on use, material properties and handling of AdBlue®

AH14.40-N-0001-01A

1

Turn off ignition

2

Open the maintenance cover

 Warning

Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from swallowing coolant.

Do not open cooling system unless coolant temperature is below 90 °C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers.
Wear protective gloves, protective clothing and safety glasses.

AS20.00-Z-0001-01A

3

Open the expansion tank cap and release the pressure in the coolant lines

Topical note

Notes on coolant

AH20.00-N-2080-01A

4

Remove the coolant pipes (4) with the clamps and detach the supports

 Installation: Replace the cable ties that were removed.

 Clamp

*000589543700

5

Remove the AdBlue overflow line (3) and the AdBlue return line (2) from the piping connection

 Installation: Replace the cable ties that were removed.

6

Disconnect the electric connector (5) and remove the electric cable from the chassis

 Installation: Replace the cable ties that were removed.

7

Remove the filling level sensor/temperature sensor of AdBlue (B74)

AR49.20-B-2044EVI

 Only when the AdBlue tank is replaced.

8

Empty the AdBlue tank (1)


Do not re-fill with the drained AdBlue:
because the dirty AdBlue can damage the exhaust gas after-treatment system.

9

Remove the retaining bracket (7)

10

Remove the AdBlue tank (1)

11

Install in reverse order

12

Check the AdBlue return line (2) and the AdBlue overflow line (3) for leak-tightness in the area of piping connections

 Only visual inspection.

13

Check the coolant pipings (4) for leak-tightness in the area of pipings connections

 Only visual inspection.

14

Close the maintenance cover