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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 - Outlet 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. Disconnect the negative battery cables. Refer to Battery Negative Cable Disconnect/Connect Procedure (Single Battery) or Battery Negative Cable Disconnect/Connect Procedure (Auxiliary Battery) in Engine Electrical.
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement in Engine Controls - 6.6L (LLY).
    4. IMPORTANT: Do not use a screwdriver or other tool to pry the hose loose. The hose can be torn or damage. Loosen the hose by twisting.
  4. Loosen the charged air cooler outlet duct to intake hose clamp.
  5. Remove the charged air cooler duct from the intake.
    6. Fig 1: View Of Charged Air Cooler Outlet Duct
    GM1334381Courtesy of GENERAL MOTORS CORP.
  6. Remove the generator mounting bracket. Refer to Generator Bracket Replacement (6.6L (LLY) Engine) in Engine Electrical.
  7. Remove the exhaust gas recirculation (EGR) cooler tube. Refer to Exhaust Gas Recirculation (EGR) Valve Cooler Tube Replacement in Engine Controls - 6.6L (LLY).
  8. Disconnect the fuel injection control module electrical connectors.
    9. Fig 2: View Of Fuel Injection Control Module Electrical Connectors
    GM1334881Courtesy of GENERAL MOTORS CORP.
  9. Remove the upper fuel injection control module fuel line bolt.
  10. Remove and discard the washer from the banjo fitting.
    11. Fig 3: View Of Cooling Hoses, Eye Bolts & Washers
    GM1334883Courtesy of GENERAL MOTORS CORP.
  11. Reposition the hose clamp at the bypass pipe.
  12. Remove the turbocharger coolant outlet hose from the bypass pipe.
    13. Fig 4: View Of Turbocharger Coolant Outlet Hose & Clamps
    GM1335429Courtesy of GENERAL MOTORS CORP.
  13. Reposition the turbocharger coolant outlet hose clamp.
  14. Remove the turbocharger coolant outlet hose from the pipe on the turbocharger.
    15. Fig 5: View Of Turbocharger Outlet Coolant Pipe
    GM1335578Courtesy of GENERAL MOTORS CORP.
  15. Remove the turbocharger coolant outlet pipe bolt and nut.
    16. Fig 6: View Of Turbocharger Coolant Outlet Pipe Bolt & Nut
    GM1335600Courtesy of GENERAL MOTORS CORP.
  16. If necessary, remove the turbocharger. Refer to Turbocharger Replacement in Engine Mechanical - 6.6L (LLY).
  17. If necessary, remove the coolant outlet pipe clip bolt (3) from the turbocharger.
    18. Fig 7: View Of Turbocharger Coolant Inlet & Outlet Hose Components
    GM1367360Courtesy of GENERAL MOTORS CORP.
  18. If necessary, remove the coolant outlet pipe.
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