Silverado Classic 3500 4WD V8-6.6L DSL Turbo (2007)
20. Remove the fuel return hose clips.
21. Remove the fuel return hose from the injectors.
NOTE: Label all the injector electrical connectors before the connectors are removed in order to prevent reconnecting to the wrong injector.
Failure to properly connect the injectors in the correct sequence will cause severe engine damage.
22. Disconnect the fuel injector electrical connectors.
23. Remove the fuel injector bracket bolts.
