Silverado 3500 2WD V8-6.6L DSL Turbo VIN 2 (2004)
5. Important: Do not use a screwdriver or other tool to pry the hose loose. The hose can be torn or damaged. Loosen the hose by twisting.
Remove the charged air cooler outlet duct from the intake.
6. Reposition the positive crankcase ventilation (PCV) hose clamp.
7. Remove the PCV hose from the air inlet pipe.
8. Remove the PCV hose from the clip on the top of the turbocharger.
9. Remove the left PCV hose/pipe bolt.