Sierra 2500 4WD V8-6.6L DSL Turbo (2007)
EGR Cooler: Service and Repair
Exhaust Gas Recirculation Valve Cooler Replacement
Exhaust Gas Recirculation Valve Cooler Replacement
Removal Procedure
1. Drain the cooling system. Refer to Cooling System Draining and Filling (Static Fill) Cooling System Draining and Filling (Vac-N-Fill).
2. Remove the charger air outlet pipe.
3. Remove the air intake pipe.
4. Remove the intake manifold tube.
5. Reposition the heater inlet hose clamp (1) at the exhaust gas recirculation (EGR) valve cooler.
6. Remove the heater inlet hose from the EGR valve cooler and reposition out of the way.
7. Remove the EGR valve cooler coolant hose clamp nut (2).
8. Reposition the EGR valve cooler coolant hose clamp (1).
