Home » 6.7L Cummins » 6.7L Cummins Injectors and Fuel Lines – Fuel Supply Lines – General Information

6.7L Cummins Injectors and Fuel Lines – Fuel Supply Lines – General Information

Directions for service of a two-button quick-disconnect fitting:
Remove the quick disconnect style fuel lines by pressing in the locking tangs on both sides of the quick disconnect
fitting.
To aid in removing quick disconnect style fuel lines, slide removal tool, Part Number 4918878 over the locking
tangs. Make sure the tool is removed from the fuel line as soon as possible after line has been disconnected.
Inadvertently leaving the tool in place can result in fuel leaks.
To aid removal, a screwdriver can be inserted between the fuel line end and quick disconnect mail union. After
pressing the opposing locking tangs, twist the flat blade of the screwdriver to help remove the fuel line.
Install the quick-disconnect style fuel lines by pushing the quick-disconnect fitting onto the male union until it clicks.

Directions for service of a banjo bolt fitting:
A sealing washer is used on both sides of a banjo fitting.
New sealing washers must be used when installing the banjo bolt fitting.
Torque Value: 24 N•m [ 212 in-lb]

The arrows indicate the fuel supply flow for front gear train engines.

The arrows indicate the fuel supply flow for rear gear train engines.