Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
7. Remove the air inlet tube nuts.
8. Remove the air inlet tube.
9. Disconnect the Engine Coolant Temperature (ECT) sensor electrical connector.
10. Reposition the Exhaust Gas Recirculation (EGR) coolant pipe hose clamp.
11. Remove the EGR coolant pipe hose.