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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (Engine Cooling System) >> Repair Instructions >> Turbocharger Coolant Hoses/Pipes Replacement (6.6L (LLY) Engine - Inlet Pipe) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement in Engine Mechanical - 6.6L (LLY).
  2. Drain the cooling system. Refer to Draining and Filling Cooling System (without HP2) .
    3. IMPORTANT: After removing the charged air cooler duct, cover the turbocharger opening with tape in order to prevent entry of objects.
    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.
  3. Loosen the charged air cooler inlet duct connector to turbocharger clamp (1).
  4. Remove the charged air cooler inlet duct connector (4) from the turbocharger.
    5. Fig 1: View Of Turbocharger Clamp & Charged Air Cooler Inlet Duct Connector
    GM1334380Courtesy of GENERAL MOTORS CORP.
  5. Reposition the turbocharger coolant inlet hose clamp at the bypass valve.
    6. Fig 2: View Of Turbocharger Inlet Coolant Hose At Turbocharger Coolant Bypass
    GM1335386Courtesy of GENERAL MOTORS CORP.
  6. Remove the turbocharger coolant inlet hose banjo bolt (1).
    7. Fig 3: View Of Turbocharger Coolant Inlet & Outlet Hose Components
    GM1367360Courtesy of GENERAL MOTORS CORP.
  7. Remove the inlet hose washer and inlet line.
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