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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1680 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - Off Vehicle (1 Of 3)) >> Turbocharger Removal

Turbocharger Removal

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 Upper Heat Shield
    GM1335576Courtesy of GENERAL MOTORS CORP.
  1. Remove the turbocharger upper heat shield bolts.
  2. Remove the turbocharger upper heat shield.
    3. Fig 2: View Of Turbocharger Oil Feed Pipe Banjo Bolt
    GM1335577Courtesy of GENERAL MOTORS CORP.
    CAUTION: Do not twist the turbocharger oil feed pipe. Twisting of the feed pipe will result in the collapse and deformation of the plastic pipe, restricting oil flow and causing turbocharger damage. During turbocharger replacement, gently push the oil feed pipe towards the front of the engine to clear the turbocharger. Assistance may be required to keep the pipes clear of the turbocharger during removal or installation.
  3. Remove the eye bolt and washers from the oil supply hose at the top of the turbocharger.
    4. Fig 3: View Of Turbocharger Outlet Coolant Pipe
    GM1335578Courtesy of GENERAL MOTORS CORP.
    NOTE: Use care not to damage this hose during the procedure.
  4. Loosen the hose clamp and remove the turbocharger cooling outlet hose.
    5. Fig 4: View Of Turbocharger W/Oil Return Pipe
    GM1335579Courtesy of GENERAL MOTORS CORP.
  5. Remove the turbocharger mounting bolts.
  6. Remove the turbocharger assembly with the oil return pipe.
    7. Fig 5: View Of Oil Feed Pipe Bolt, Washer & Pipe
    GM1335581Courtesy of GENERAL MOTORS CORP.
  7. Remove the turbocharger lower heat shield from engine block.
    8. CAUTION: Do not twist the turbocharger oil feed pipe. Twisting of the feed pipe will result in the collapse and deformation of the plastic pipe, restricting oil flow and causing turbocharger damage. During turbocharger replacement, gently push the oil feed pipe towards the front of the engine to clear the turbocharger. Assistance may be required to keep the pipes clear of the turbocharger during removal or installation.
  8. Remove the turbocharger oil supply hose eye bolt and washers.
  9. Remove the turbocharger oil supply hose.
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