Remove/install injection lines of common rail diesel injection (CDI) · ar0716d1080sd · Mercedes-Benz WIS

AR07.16-D-1080SD

Remove/install injection lines of common rail diesel injection (CDI)

25.2.11

ENGINES 646.984 /985 /986 /989 /990 in MODEL 906

Remove/install injection lines of common rail diesel injection (CDI)

D07.16-1298-08

Shown on engine 646.984

1 Injection lines

 	Remove/install
 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 systems when they are under pressure	AS07.16-Z-0001-01A
 Danger!	Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel and risk of injury to eyes and skin caused by contact with fuel	No fire, sparks, open flames or smoking. Only pour fuels into suitable and appropriately marked containers. Wear protective clothing when handling fuel.	AS47.00-Z-0001-01A
1	Remove trim panel of cylinder head cover	 Installation: Only install cylinder head cover trim panel after checking for leaks.	AR01.20-D-5015SD
2	Unscrew union nuts for injection lines (1)	 Counterhold at threaded sleeves on injectors.
			*BA07.16-N-1016-01A
			*BA07.16-N-1017-01A
		 Box wrench bit	*000589680300
		Open-double-hexagon-box wrench SW 18 mm gotis://A_02_01.0
3	Remove injection line (1)	 Do not squeeze or bend injection lines (1). After disassembling the injection lines (1), seal connections. Ensure utmost cleanliness.
		 Set of stop plugs	*129589009100
		 Installation: Check sealing cone at injection lines (1) and replace injection lines if there are pressure marks (1). Pay attention to exact seating of injection lines (1).
4	Install in the reverse order
 Danger!	Risk of accident caused by vehicle starting off by itself when engine is running. Risk of injury caused by contusions and burns during starting procedure or when working near the engine as it is running	Secure vehicle to prevent it from moving by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts.	AS00.00-Z-0005-01A
5	Perform engine test run, stop engine and check fuel system for leakage in area of injection lines (1)

 Common rail diesel injection (CDI)

Number	Designation			Engine 646 in model 906


BA07.16-N-1016-01A	Nut connecting pressure line to rail	M151	Nm	27
BA07.16-N-1017-01A	Nut connecting pressure line to piezo injector	M141.5	Nm	33

129 589 00 91 00

Set of stop plugs

Box wrench bit

000 589 68 03 00

Referenced documents

ar0120d5015sd Remove/install cylinder head cover trim panel
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.