Remove/install pump on AdBlue(R) tank · ar4920d2004ts · Mercedes-Benz WIS

AR49.20-D-2004TS

Remove/install pump on AdBlue(R) tank

27.01.2020

Engine	642 in model 907
Engine	651 in model 907, 910
Engine	654.9 in model 907.1/2/6

Shown on removed AdBlue® container

1	Pump
2	Bolts

D49.20-A003-06

Seal

D49.20-A014-01

 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
Topical note	Notes on use, material properties and handling of NOx reducing agent		AH49.20-N-0002-01A
Topical note	Information on preventing damage to electronic components due to electrostatic discharge		AH54.00-P-0001-01A
Topical note	Notes on avoiding damage through contamination and foreign objects		AH00.00-P-5000-01A
	Remove
1	Empty AdBlue® container.		AR49.20-D-2014-01TS
	000 588 01 71 00 Extraction pump		WS14.00-P-0013B
2	Remove cap of the AdBlue® container.		AR49.20-D-2016TS
3	Remove screws (2).	 Dispose of bolts (2). Observe different lengths of the screws (2) and note down.
4	Remove pump (1).	 Only dispose of pump (1) after check of seals (3).
	Check
5	Check whether seals (3) are located on removed pump (1).	If seals (3) are not located on pump (1)
		
		Remove seals (3) at AdBlue® tank.
	Install
6	Install new pump (1).	 Ensure that the printed circuit board of the pump (1) is seated correctly in the slot. Malfunction or damage can occur otherwise.
		 Use pump (1) with seals (3) from parts kit.
7	Screw in new screws (2).	 Use screws (2) from the parts kit. Pay attention to different screw lengths (2).
8	Install cap of the AdBlue® container.		AR49.20-D-2016TS
9	Fill AdBlue® tank.		AR49.20-D-2014-02TS
	NOx reducing agent AUS 32 ("ADBlue(R)") for SCR systems		BB00.40-P-0352-00A
	Check
 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
10	Perform leak test with engine running.	 Visual inspection only.

Referenced documents

ah0000p500001a Notes on avoiding damage through contamination and foreign objects
ah4920n000201a Notes on use, material properties and handling of NOx reducing agent
ah5400p000101a Information on preventing damage to electronic components due to electrostatic discharge
ar4920d201401ts Empty AdBlue(R) tank
ar4920d201402ts Fill AdBlue(R) tank
ar4920d2016ts Remove/install cap on AdBlue(R) tank
as0000z000501a 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.
as4920z000201a 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)
bb0040p035200a NOx reducing agent AUS 32 ("ADBlue(R)") for SCR systems
ws1400p0013b 000 588 01 71 00 Extraction pump