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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1020 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Turbocharger Installation

Turbocharger Installation

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. Install the turbocharger oil supply line to the engine block.
    2. NOTE: Refer to Fastener Notice in Cautions and Notices.
    IMPORTANT: Lubricate the washers with diesel fuel before installing.
  2. Install the turbocharger oil supply line eye bolt and washers.

    Tighten:  Tighten the turbocharger oil supply line eye bolt to 26 N.m (19 lb ft).

    3. Fig 1: View Of Oil Feed Pipe Bolt, Washer & Pipe
    GM1335581Courtesy of GENERAL MOTORS CORP.
  3. Install the turbocharger lower heat shield to the engine block.
  4. Install the turbocharger assembly with the oil return pipe.
    5. Fig 2: View Of Turbocharger W/Oil Return Pipe
    GM1335579Courtesy of GENERAL MOTORS CORP.
  5. Install the turbocharger mounting bolts.

    Tighten:  Tighten the turbocharger mounting bolts to 108 N.m (80 lb ft).

    6. IMPORTANT: Use care not to damage this hose during the procedure.
  6. Install the turbocharger cooling outlet hose and tighten hose clamp.
    7. Fig 3: View Of Turbocharger Outlet Coolant Pipe
    GM1335578Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: If the cooling outlet hose eye bolts were removed, install the longer bolt (1) with two holes, in the top location. Install the shorter bolt (2) in the lower location.
  7. Install the cooling outlet hose eye bolts.
    8. Fig 4: View Of Cooling Outlet Hose Eye Bolts
    GM1457469Courtesy of GENERAL MOTORS CORP.
  8. Install the oil supply line eye bolt and washers to the turbocharger.

    Lubricate the washers with diesel fuel before installing.

    Tighten:  Tighten the oil supply hose eye bolt to 26 N.m (19 lb ft).

    9. Fig 5: View Of Turbocharger Oil Feed Pipe Banjo Bolt
    GM1335577Courtesy of GENERAL MOTORS CORP.
  9. Install the turbocharger heat shield.
    10. Fig 6: View Of Turbocharger Upper Heat Shield
    GM1335576Courtesy of GENERAL MOTORS CORP.
  10. Install the turbocharger upper heat shield bolts.

    Tighten:  Tighten the turbocharger upper heat shield bolts to 10 N.m (89 lb in).

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