Remove/install fuel rail with fuel injection valves (ME-SFI)

AR07.03-P-1451RX

Remove/install fuel rail with fuel injection valves (ME-SFI)

9.3.10

 

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 contact with fuel.

No fire, sparks, open flames or smoking.
Pour fuels only into suitable and appropriately marked containers.

Wear protective clothing when handling fuel.

AS47.00-Z-0001-01A



Information on preventing damage to electronic components due to electrostatic discharge

AH54.00-P-0001-01A

1

Turn key in ignition switch to position "0".

 Vehicles with Keyless Go, code 889: Press Keyless Go start/stop button repeatedly until ignition is switched off.

2

Remove air filter housing

AR09.10-P-1150RX

3

Disconnect electrical connectors (1a, 1b)

4

Remove jack for electrical connector (1b) on fuel distributor (2)

5

Remove the right connector (R) at the ME-SFI [ME] control unit (N3/10)

6

Pull ME-SFI control unit (N3/10) out of the control unit brackets (3a, 3b) and place to one side

 Do not remove the left connector (L) at the ME-SFI [ME] control unit (N3/10).

7

Remove the right control unit bracket (3a)



*BA07.08-P-1002-01A

8

Dismount supply ducts (4a, 4b, 4c) from cylinder head cover, resonance intake manifold and rear right engine suspension lug



*BA15.18-P-1001-01B



*BA15.18-P-1002-01B



*BA15.18-P-1003-01B

9

Detach the rear left motor suspension lug (5) from the cylinder head



*BA01.30-P-1005-01O

10

Disconnect hoses (6a, 6b) from crankcase ventilation system

11

Disconnect electrical connectors at fuel injection valves (Y62)

12

Reduce fuel pressure via service valve (2a)

AR07.03-P-1460-01VA

13

Disconnect the fuel line (7) from the fuel distributor (2)

 Seal off connections immediately using stop plugs. 



*BA07.03-P-1001-01B



*129589009100

14

Remove bolts (2b) and take off fuel distributor (2) with fuel injection valves (Y62)

 Installation: Replace O-rings of the fuel injection valves (Y62).
Apply lubricant to the O-rings.



*BA07.03-P-1002-01B

Lubricant

*BR00.45-Z-1002-06A

15

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 running engine

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

AS00.00-Z-0005-01A

16

Carry out an engine test run and check the fuel system for leaks

Number

Designation

Engine 272

Engine 273

BA07.08-P-1002-01A

Bolt connecting control unit bracket to resonance intake manifold

Nm

8

8

Number

Designation

Engine
272

Engine
273

BA15.18-P-1001-01B

Bolt connecting feed line duct to resonance intake manifold

Nm

8

8

BA15.18-P-1002-01B

Bolt connecting feed line duct to cylinder head cover

Nm

8

8

BA15.18-P-1003-01B

Bolt connecting feed line duct to motor suspension lug

Nm

8

8

Number

Designation

Engine
272

Engine
273

BA01.30-P-1005-01O

Bolt connecting suspension lug to cylinder head

M8

Nm

20

20

Number

Designation

Engine 272 without code 917

Engine 272 with code 917

Engine 273

BA07.03-P-1001-01B

Union nut connecting fuel feed line at fuel distributor

Nm

20

20

20

BA07.03-P-1002-01B

Bolt connecting fuel distributor to resonance intake manifold

Nm

9

9

9

Number

Designation

Order number

BR00.45-Z-1002-06A

Lubricating paste, rubber parts 2.5 kg, DB supply specification 6867.00

A 000 989 01 60