Removal and installation of cable connection pump-injectors and glow plugs

Removing

Remove the engine cover.

Attention: Assembly/disassembly of the cable connection is possible only after unscrewing/tightening the fixing brackets. When removing the cable channel from the brackets, these brackets are unbent, and too large a gap can lead to a cable break. This applies to work on replacing unit injectors, as well as to all types of work for which it is not necessary to completely disconnect the central plug.

Note: For piezoelectric injectors, the plug connection must only be removed with a puller.

Remove the cylinder head cover.

Disconnect the central connector on the cylinder head.




Place the key on the adapter ring and turn 90° (1/4 vol.) in the direction of the arrow (pic. 2.357).



Pull the retaining clip 1 up slightly with a screwdriver and press the central plug inwards 2.



Place the puller on the side of the plug-in connections of the unit injectors and remove them in the direction of the arrow (pic. 2.359).




Remove the plugs from the glow plugs 1. Unscrew the fastening bolts of the 2 stainless steel brackets and completely remove the cable connection (pic. 2.360).

Installation

Installation is carried out in the reverse order, taking into account the following.

Install the cable connection and tighten the fixing bolts with a torque of 10 Nm.



Install the center plug through the hole in the support module, making sure that the locking brackets are correctly installed (pic. 2.361).

Install the adapter ring (colored «long» mark indicates 12 o'clock).

Place the key on the adapter ring and lock by turning 90° (1/4 vol.) against the direction of the arrow.

Note: When the adapter ring is correctly mounted, the colored «short» the marker will point to 12 o'clock.

Install and secure the central plug connection on the cylinder head (pic. 2.357).

Install the cylinder head cover.

Install the engine cover.