Detroit Diesel — Fuel Injector Line Removal
Repair & overhaul
From a Detroit Diesel service manual — check it applies to your exact model before use.
Before you start
- FIRE: keep all potential ignition sources away from diesel fuel.
- NOTICE: Do not crimp or nick the injector line tubing.
- PERSONAL INJURY: wear a face shield or goggles.
Procedure
- Remove both engine trim covers and identify the leaking line.
- Remove the cylinder head cover for each cylinder head as required (refer to 1.1.1).
- Using injector line torque wrench adaptor J-45062, loosen the injector line nut at the transfer tube.
- Using wrench adaptor J-46371, loosen the injector line at the injector unit pump; remove and discard the injector line.
- Remove the transfer tube using wrench adaptor J-45063 to loosen the thrust bolt.
Tools required
- J-45062 injector line torque wrench adaptor Amazon
- J-46371 wrench adaptor Amazon
- J-45063 wrench adaptor Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Detroit Diesel service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.