Removal ProcedureRelieve the high side fuel system pressure. Refer toFuel Pressure Relief.
Note:The fuel injectors have an alignment feature, note theposition of the injectors alignment for installation.
Remove the fuel injection fuel rail assembly. Refer toFuel Injector and Fuel Rail Replacement.Remove and discard the fuel injectorretainers-(1).Clean and inspect the fuel rail and injectors. Refer toFuel Rail and Injectors Cleaning and Inspection.Installation Procedure
Install NEW fuel injector retainers-(1).
Note:The fuel injectors have an alignment feature and must bereinstalled as noted during removal.
Install the fuel injection fuel rail assembly. Refer toFuel Injector and Fuel Rail Replacement.#PIC5491D: OnStar Will Not Power Up - (Oct 8, 2013)
Subject:OnStar Will Not Power UpModels: 2006-2014 GM Passenger Cars and Truckswith OnStar (UE1) Gen7, Gen8, Gen9, or FCP1This PI was superseded to add STID / Station ID for identification. Please discardPIC5491C.Condition/ConcernA concern may be identified on a Gen7, Gen8, Gen9, or FCP1 VCIM as the ...