Remove/install fuel injectors

AR07.03-D-0004TSC

Remove/install fuel injectors

06.03.2020

Engine

274 in model 907

1

Sealing ring

2

Sealing ring

3

Sealing ring

Y62

Fuel injectors

 Warning

Risk of injury. Skin or eye injuries may result when handling hot or glowing objects.

Wear protective gloves, protective clothing and safety glasses, if necessary.

AS00.00-Z-0002-01A

 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

 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

Topical note

Notes on avoiding damage through contamination and foreign objects

AH00.00-P-5000-01A

General information on work on gasoline direct injection system

AH07.00-P-2000-01A

 

Remove/install

1

Remove rail.

AR07.03-D-1010TSC

2

Mark fuel injectors (Y62) relative to the respective cylinder.

Only when fuel injectors are to be reused (Y62).

 Installation: When reusing the fuel injectors (Y62) they must be inserted into the cylinder in which it was previously installed.

3

Remove fuel injectors (Y62) from the cylinder head.

 Installation:
If fuel injectors (Y62) are replaced, the transport protective caps on the fuel injectors (Y62) should not be removed until one hour before assembly at the earliest.
This prevents leaks.

 Oil, which comes out during the removal of the rail and the fuel injectors (Y62), is safe. The fuel injectors (Y62) can be reused.

 Installation: The fuel injectors (Y62) must be installed together with the rail.

If the fuel injectors (Y62) become stuck,



Remove injection nozzle (Y62).

AR07.03-S-0004-03EG

 Puller

*278589003300



Check

4

Check fuel injectors (Y62) for external damage.

If the fuel injectors (Y62) are damaged,



Replace fuel injectors (Y62).

5

Install new sealing ring (3) of the fuel injectors (Y62).

AR07.03-S-0004-01EG


Fuel injectors (Y62) must be installed immediately after calibration of the sealing rings (3).
The sealing rings (3) swell under the influence of the air humidity and can therefore be damaged during installation.

Assembly cleaner

*BR00.45-Z-1028-04A

 Assembly tool

*272589004300

6

Remove sealing package of the fuel injectors (Y62) on the rail.

AR07.03-S-0004-02EG

Assembly cleaner

*BR00.45-Z-1028-04A

 Drift

*278589011500

7

Install new sealing rings (1, 2) on the fuel injectors (Y62).

8

Install in the reverse order.

Concluding tasks

9

Read out fault memory with vehicle diagnosis system and enter injector classification in the ME-SFI control unit (N3/36).

For installation of new fuel injectors (Y62).



AD00.00-D-2000-06TS

 Warning

Risk of burn injuries, suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust.

Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area.

AS49.00-Z-0001-01A

 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 engine test run. While doing so, check engine for proper operation and leak tightness.

Repair materials

Number

Designation

Order number

BR00.45-Z-1028-04A

Assembly cleaner

A 000 986 56 01