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.
Intake Manifold Replacement Intake and Forced Induction Intake Manifold
Valve Rocker Arm Replacement - Left Side Valvetrain Valve Actuating Assembly Rocker ArmsValve Stem Oil Seal and Valve Spring Replacement Valvetrain Valve Actuating Assembly
Special ToolsEN-36017Valve Guide Seal RemoverEN-43649Valve Spring CompressorEN-43649-10Valve Spring Compressor Adaptor SetEN-43653Flywheel Holding ToolFor equivalent regional tools refer toSpecial Tools.Removal ProcedureNote:Prevent the crankshaft from rotating clockwise orcounterclockwise before us ...