2007 Express 2500 V8 66L DSL Turbo Fuel Injector Replacement
*
Spray lithium grease, GM P/N 12346293 or equivalent, between the fuel injector line and fittings to assist with removal.
Remove the left fuel injector pipes.
8. Remove the fuel return hose clips (1).
9. Disconnect the fuel return hose from the injectors.
