Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
4. Cut the tie strap (1) securing the fuel injection fuel return pipe to the engine wiring harness.
5. Disconnect the fuel injection fuel return pipe from the fuel return pipe.
Important: Note the routing of the fuel injection fuel return pipe under the engine wiring harness.
6. Remove the fuel injection fuel return pipe from the engine.
Installation Procedure
1. Position the fuel injection fuel return pipe to the engine. Ensure to route the fuel injection fuel return pipe under the engine wiring harness.
2. Connect the fuel injection fuel return pipe to the fuel return pipe.
3. Install a NEW tie strap (1) securing the fuel injection fuel return pipe to the engine wiring harness in the location shown.