Remove/install AdBlue(R) metering valve

AR49.20-S-2000EA

Remove/install AdBlue(R) metering valve

23.11.2018

Engine

654.9 in model 447

1

AdBlue® metering valve

4

Electrical connector

7

Clip

2

Thermal insulation

5

Clamps

8

Diesel oxidation catalytic converter

3

AdBlue® line

6

Coolant hoses

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 Warning

Risk of burn injuries and scalding when working on AdBlue(R) lines and the component parts attached to them. Risk of injury to skin and eyes when handling AdBlue(R). Risk of poisoning caused by swallowing AdBlue(R)

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

AS49.20-Z-0002-01A

 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

Topical note

Notes on use, material properties and handling of NOx reducing agent

AH49.20-N-0002-01A

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

 

Remove/install

1

Open hood.

2

Open thermal insulation (2).

3

Release and remove AdBlue® line (3) from the AdBlue® metering valve (1) and capture escaping AdBlue®.

4

Clean connection of the AdBlue® line (3) with a lint-free rag.

5

Seal openings on the AdBlue® line (3) and on the AdBlue® metering valve (1) with the stop plugs.

 Record plug

*129589009100

6

Disconnect electrical connection (4).

7

Disconnect coolant hoses (6).

 Clamp

*000589543700

8

Remove coolant hoses (6) from the AdBlue® metering valve (1) and capture escaping coolant.

 Installation: Replace clamps (5).

9

Seal openings on the AdBlue® metering valve (1) with the stop plugs.

 Record plug

*129589009100

10

Open clamp (7) and remove AdBlue® metering valve (1).

 Installation: Replace clamp (7) and seal.

 Screw, clamp of AdBlue® metering valve to diesel oxidation catalytic converter

*BA49.20-N-1002-03EA

11

Clean the seat of the AdBlue® metering valve (1) on the diesel oxidation catalytic converter (8) with a lint-free rag.

12

Seal opening on the diesel oxidation catalytic converter (8) with protective cover.

 Set of protective caps

*001589009100

13

Install in the reverse order



Check

14

Check and correct coolant level.

AR20.00-S-1142E

15

Read out and delete fault memory.



AD00.00-S-2000-04E

 Warning

Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.

Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.

AS00.00-Z-0005-01A

16

Carry out engine test run and check engine for proper leaktightness and leaktightness.

 Exhaust aftertreatment

Number

Designation

Engine 654.9 in model 447

BA49.20-N-1002-03EA

Screw, clamp of AdBlue® metering valve to diesel oxidation catalytic converter

Nm

8