Removal Procedure

Drain the cooling system. Refer to Cooling System Draining And Filling (Static Fill)Cooling System Draining And Filling (Vac N Fill) Cooling System Draining and Filling (Static Fill Diesel). .
Remove the turbocharger air inlet adapter. Refer to Turbocharger Air Inlet Adapter Replacement .
Remove the intake manifold tube. Refer to Intake Manifold Tube Replacement .
Remove the exhaust gas recirculation valve temperature sensor - 1. Refer to Exhaust Gas Recirculation Valve Temperature Sensor Replacement - Position 1 .
Disconnect both exhaust gas recirculation coolant hoses from the exhaust gas recirculation valve cooler.
Fig 1: Exhaust Outlet Pipe Heat Shield
Courtesy of GENERAL MOTORS COMPANY

If equipped, remove the exhaust outlet pipe heat shield bolts (3) and remove the exhaust outlet pipe heat shield (4).
Remove the exhaust outlet pipe to exhaust gas recirculation valve cooler fasteners (1).
Fig 2: Exhaust Gas Recirculation Valve Cooler Bolts And Electrical Connector
Courtesy of GENERAL MOTORS COMPANY

Remove the rear exhaust gas recirculation valve cooler bolts (3).
Remove the front exhaust gas recirculation valve cooler bolt (1).
Disconnect the exhaust gas recirculation valve electrical connector (2).
Fig 3: Exhaust Gas Recirculation Valve Assembly
Courtesy of GENERAL MOTORS COMPANY

Carefully remove the exhaust gas recirculation valve assembly (1) from the engine.
Fig 4: Exhaust Gas Recirculation Valve And Exhaust Gas Recirculation Valve Cooler
Courtesy of GENERAL MOTORS COMPANY

Remove the exhaust gas recirculation valve to exhaust gas recirculation valve cooler bolts (3).
Separate the exhaust gas recirculation valve (2) from the exhaust gas recirculation valve cooler (1).
Discard the gasket.