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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1678 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - On Vehicle) >> Positive Crankcase Ventilation Hose/Pipe/Tube Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Turbocharger Clamp & Charged Air Cooler Inlet Duct Connector
    GM1334380Courtesy of GENERAL MOTORS CORP.
    NOTE: After removing the charged air cooler duct, cover the turbocharger opening with tape in order to prevent entry of objects.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. Loosen the charged air cooler inlet duct connector to turbocharger clamp (1).
    3. NOTE: 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.
  3. Remove the charged air cooler inlet duct connector (4) from the turbocharger.
  4. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
    5. Fig 2: View Of PCV Hose Clamp
    GM1335454Courtesy of GENERAL MOTORS CORP.
  5. Reposition the positive crankcase ventilation (PCV) hose clamp.
  6. Remove the PCV hose from the air inlet pipe.
  7. Remove the PCV hose from the clip on the top of the turbocharger.
    8. Fig 3: View Of Left PCV Hose/Pipe Bolt
    GM1335460Courtesy of GENERAL MOTORS CORP.
  8. Remove the left PCV hose/pipe bolt.
    9. Fig 4: View Of Right PCV Hose/Pipe Bolt
    GM1335456Courtesy of GENERAL MOTORS CORP.
  9. Remove the right PCV hose/pipe bolt.
  10. Remove the PCV hose/pipe.
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