Removing and installing fuel injectors Removing fuel injectors Fig. 1 To facilitate removing the injection lines, remove the charge-air elbow and the charge-air pipes lead- ing to the turbocharger. 1 Fig. 2 Remove the injection lines from the injection nozzles and from the injection pump. Remove the fuel return lines. 2 Fig. 3 After removal of the injection lines we recommend fitting caps to the connections on the injection nozzles and injection pump. This prevents dirt from getting into the injection system. Caution: Dirt in the injection system causes: D nozzles to jam D the injection-pump drive gear to break 3 Fig. 4 Remove pressure screw from fuel injector using a pin spanner. 4 31