Install injectors

NOTE: TECHNICAL INFORMATION
When assembling, it is essential to observe screwing sequences and tightening torques.
Failure to comply with the regulations can lead to leaks and damage.

NOTE: The description is for one component only. The procedure is identical for all further components.

Retrofitting and, if necessary, replacing the foam jacket

NOTE: The description is for one component only. The procedure is identical for all further components.

Check

Check if foam jacket (1) is installed on injector (2).

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Result

» Foam jacket (2) is not installed.

Measure

Retrofit foam jacket (2) as described in the following step.

Parts: Foam jacket

Result

» Foam jacket (2) is installed.

Measure

Replace foam jacket (2) as described in the following step.

Parts: Foam jacket

Position foam jacket (1) in the recess of the injector in area (2).

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Mount the injectors (1) on the special tool (2) 2 410 777 .
Align the plug connections of injectors (1) in the correct installation position.

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Insert the injectors in the injector bore holes with special tool (1) 2 410 777 .
Screw in the screws (2) and (3) on the injector shaft with a few thread starts.
Check, if the pull-out thread (4) and the threaded sleeves (5) are correctly mounted.

Tighten screws (2) and (3).

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TIGHTENING TORQUES SPECIFICATION

Special tool 2 410 777 to injector well
M6	Tightening torque	8 Nm

Adjust the torque wrench (1) to 2 Nm, anti-clockwise.
Position the torque wrench (1) and special tool (2) 0 496 106 (11 8 720) on the hexagon head of special tool 2 410 777 .
Turn the torque wrench (1) in anti-clockwise direction until 2 Nm apply.
Remove special tool 2 410 777 .

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Install hold-down device (1) with curvatures (see arrow) downwards.

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Mount the hold-down device (2) on the injectors.
Screw in the screw (1) by a few turns only.

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Follow-up work

Refer to INSTALLING THE RIGHT HIGH-PRESSURE RAIL .
Refer to INSTALL THE HIGH-PRESSURE RAIL ON THE LEFT .
Refer to INSTALL ALL IGNITION COILS
Refer to INSTALLING COOLANT EXPANSION TANK .
Refer to INSTALLING THE CONTROL UNIT BRACKET FOR CYLINDERS 5 TO 8 .
Refer to INSTALL CLEAN AIR PIPE, TOP .
Refer to INSTALLING THE COVER OF THE LEFT DME CONTROL UNIT .
Refer to INSTALLING CONTROL UNIT HOLDER FOR CYLINDERS 1 TO 4 .
Refer to INSTALLING THE COVER OF THE RIGHT DME CONTROL UNIT .
Refer to DISCONNECTING ALL BATTERY GROUND LEADS .