Remove/install injection nozzle for exhaust aftertreatment system · ar1440w2000b · Mercedes-Benz WIS

AR14.40-W-2000B

Remove/install injection nozzle for exhaust aftertreatment system

22.3.11

ENGINES 457.9 in MODEL 940, 942, 943, 944 with CODE (MS4) BlueTec 4

ENGINES 457.9 in MODEL 940, 942, 943, 944 with CODE (MS5) BlueTec 5

W14.40-1181-06

1 Injection line

2 Injection nozzle

3 Engine brake valve fitting

Modification notes

30.8.06

The injection line (1) must be replaced according from removal - added.

Operation step 4

	Removing
1	Remove injection line (1)		AR14.40-W-2001B
2	Remove injection nozzle (2)	 Seal holes with a suitable plug.
	Install
3	Install injection nozzle (2)	 Before installing injection nozzles (2) and contact surface on engine brake valve fitting (3), check for foreign object and contamination.
			*BA14.40-N-1002-02B
4	Injection new injection line (1)	 The injection line (1) must be replaced after every removal.	AR14.40-W-2001B

 Exhaust aftertreatment, Blue Tec

Number	Designation		Engine 457.9 with code MS4 or code MS5


BA14.40-N-1002-02B	Injection nozzle on engine brake valve fitting/exhaust pipe	Nm	10