Remove the secondary air injection bolts-(2) andnuts-(1).
Remove the secondary air injection studs-(3 and4).Remove the secondary air injection valveassembly-(1).Remove the secondary air injection gasket-(2) anddiscard.
Remove the oxygen sensor-(1).
Remove the exhaust manifold heat shield bolts.Remove the exhaust manifold heatshield-(1).
Remove the block heater-(1), if equipped.
Remove and discard the exhaust manifold to cylinder headretaining nuts-(1).Remove the exhaust manifold-(2).Remove the exhaust manifold gasket-(3).Clean all of the sealing surfaces.If the exhaust manifold is being replaced, transfer thefollowing parts:The exhaust manifold heat shieldThe oxygen sensor
Remove the secondary air injection pipe assemblybolts-(2).Remove the secondary air injection pipeassembly-(1).
Mode Valve Actuator Replacement
Mode Valve Actuator ReplacementCalloutComponent NamePreliminary ProceduresRemove instrument panel insulator panel – leftside. Refer toInstrument Panel Insulator Panel Replacement - Left Side.Reposition any wiring or hoses to gain access to mode controlcam actuator.1Mode Control Cam Actuator Screw ...