Cummins N14 Injectors Removal and Replacement

CELECTTM Engines

Disconnect the injector solenoid leads from the pass
through connector in the rocker housing.

Remove the injector hold down clamp capscrew.
Remove the injector and the hold down clamp.
Use injector puller, Part No. 3823579, to remove CELECTTM injectors. Insert the pin of the tool into the hole provided in the body of the injector. The hole faces the exhaust side of the engine.

STC Engines

Remove the injector hold down clamp capscrew and the clamp.
Use injector puller, Part No. 3822697, to remove the STC injectors.
Insert the threaded end of the puller into the tapped hole in the STC oil feed lock nut.

Remove the internal oil tube and the rubber grommet which is located in the cylinder head.

Cummins N14 Injectors Installation Procedure and Torque Specs