Withdrawal
Unplug multi-pin connector for unit injectors and glow plugs by pulling out release pin -arrow 1- and loosening knurled nut -arrow 2-. Remove cylinder head cover.
Unplug the unit injector with a screwdriver -arrow-. To avoid distortion, support the opposite side of the plug connector while applying light pressure with your finger.
Unscrew multi-pin connector from cylinder head -arrows- and push it out of bore.
Pull wiring harness -2- with connectors -1- out of cylinder head, releasing latches.
Installation
Remove retainers -2- from new wiring harness. To facilitate installation of the wiring harness, insert the connectors -1- into the mounting rails.
Insert wiring harness -2- from bottom right - cylinder head hole. The wiring harness must be routed in such a way that the connectors -1- of the unit injectors are positioned as shown in the figure. Install the clips and move the wiring harness to the installation position. Tighten the multi-pin connector. Connect the plug connectors of the unit injectors. Install in reverse order, removing the cylinder head cover. Tightening torque: Multi-pin connector to cylinder head: 10 Nm.
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