GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2005 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Mechanical - 6.6L (LLY) 🢒 Turbocharger Removal

    Object Number: 1335576 Size: SH
  1. Remove the turbocharger upper heat shield bolts.
  2. Remove the turbocharger upper heat shield.

    3. Object Number: 1335577 Size: SH

    Notice: 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. Object Number: 1335578 Size: SH

    Important: Use care not to damage this hose during the procedure.

  4. Loosen the hose clamp and remove the turbocharger cooling outlet hose.

    5. Object Number: 1335579 Size: SH
  5. Remove the turbocharger mounting bolts.
  6. Remove the turbocharger assembly with the oil return pipe.

    7. Object Number: 1335581 Size: SH
  7. Remove the turbocharger lower heat shield from engine block.

    8. Notice: 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.