Remove/install injectors · ar0716p1000ff · Mercedes-Benz WIS

AR07.16-P-1000FF

Remove/install injectors

23.04.2019

Engine

639.939 in model 454.0

Modification notes

15.12.2005

Screw/bolt, clamping claw to injector

BA07.16-P-1005-01G

P07.16-2686-08

1	Securing clamp	4	Clamping claw	Y76/1	Cylinder 1 fuel injector
2	Leak oil line	5	Sealing ring	Y76/2	Cylinder 2 fuel injector
3	Screw	6	Seal	Y76/3	Cylinder 3 fuel injector

 	Remove/install
 Danger	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.	No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
 Danger	Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure	Keep all ignition sources out of hazard area. Do not carry out any work on system when it is pressurized.	AS07.16-Z-0001-01A
	Notes about Common-Rail components		AH07.16-P-0002-01TX
1	Remove injection lines of common rail diesel injection (CDI)		AR07.16-P-1080FF
2	Remove safety clips (1) and pull leak oil line (2) out of the fuel injectors (Y76/1, Y76/2, Y76/3)	 Seal connections using suitable stop plugs.
3	Remove screws (3)	 Installation: Replace screw/bolts (3).
		 Bolt, clamping claw to injector	*BA07.16-P-1005-01G
4	Mark fuel injectors (Y76/1, Y76/2, Y76/3) and pull out with clamping claw (4)	 Installation: Grease fuel injectors (Y76/1, Y76/2, Y76/3) with special grease. Replace the sealing ring (5) and seal (6).
		Special grease	*BR00.45-Z-1036-06A
5	Install in the reverse order
6	Read out fault memory
			AD00.00-P-2000-04FF
		 When installing new fuel injectors (Y76/1, Y76/2, Y76/3), the classification must be carried out.
 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
7	Perform engine test run and check leak tightness of the fuel system in the area of the fuel injectors (Y76/1, Y76/2, Y76/3)

 Common rail diesel injection (CDI)

Number	Designation			Engine 639.9
BA07.16-P-1005-01G	Bolt, clamping claw to injector	Stage 1	Nm	7
		Stage 2	°	180

Repair materials

Number	Designation	Order number
BR00.45-Z-1036-06A	Special grease	A 001 989 42 51 10

Referenced documents

ad0000p200004ff Connect STAR DIAGNOSIS, read out fault memory
ah0716p000201tx Notes about Common-Rail components
ar0716p1080ff Remove/install injection lines of common rail direct injection
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.
as0716z000101a Risk of explosion caused by fuel igniting. Risk of injury to skin and eyes caused by fuel spraying out at high pressure
as4700z000101a Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.