6.7L Cummins Injectors and Fuel Lines – Injector Supply Lines (High Pressure) – Install

NOTE: If the injector was removed along with the fuel connector, the installation steps must be followed. Refer
to Procedure 006-026 in Section 6.
Lubricate the fuel connector a-ring and the threads on the fuel connector retaining nut with clean engine oil.
Carefully insert the fuel connector, aligning the guide ball with the slot in the cylinder head at the 12-o’clock position.
NOTE: Use even axial force when installing to prevent the possibility of damage. Make sure not to tear the a-ring as
the connector is being installed.

Tighten the fuel connector retaining nut.
Torque Value: 55 Nโ€ขm [ 41 ft-lb ]
NOTE: Do not over-tighten the fuel connector retaining nut. Over-tightening the retaining nut can possibly cause
the fuel connector to rotate out of the connector retaining slot.

To make sure proper seating of the fuel connector to the injector, install the injector at the same time as the fuel
connector.
Tighten the fuel connector retaining nut.
Torque Value: 55 Nโ€ขm [ 41 ft-lb]
NOTE: Do not over-tighten the fuel connector retaining nut. Over-tightening the retaining nut can possibly cause
the fuel connector to rotate out of the connector retaining slot.