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Home >> Chevrolet >> 2015 >> Cruze LT, Automatic Trans >> Repair and Diagnosis >> Engine Mechanical >> Engine Mechanical - 1.4L (LUV) >> Repair Instructions - On Vehicle >> Turbocharger Replacement >> Installation Procedure

Installation Procedure

  1. Install the assembly parts to the turbocharger as necessary. Refer to Turbocharger Assemble .
  2. Clean the sealing surfaces.
  3. Install a NEW turbocharger gasket.
    Fig 1: Turbocharger Assembly And Gasket
    GM2192371Courtesy of GENERAL MOTORS COMPANY
  4. Install the turbocharger assembly (1).
  5. Install the 8 NEW turbocharger nuts (1).
    Fig 2: Turbocharger Nuts
    GM2192236Courtesy of GENERAL MOTORS COMPANY
  6. Tighten the 8 turbocharger nuts in a sequence as shown to 8 N.m (71 lb in).
    Fig 3: Turbocharger Nut Tightening Sequence
    GM2192286Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Refer to Fastener Caution .
    CAUTION: Refer to Torque-to-Yield Fastener Caution .
  7. Repeat the tightening procedure to ensure a proper fastening of the turbocharger nuts.
  8. Install a NEW gasket and the 2 turbocharger oil return pipe bolts (1) and tighten to 8 N.m (71 lb in).
    Fig 4: Turbocharger Oil Return Pipe Bolts
    GM2192221Courtesy of GENERAL MOTORS COMPANY
  9. Install the three way warm up catalytic converter. Refer to Warm Up Three-Way Catalytic Converter Replacement .
  10. Install the turbocharger coolant feed pipe to the engine block. Use the following procedure:
    Fig 5: Turbocharger Coolant Feed Pipe Components
    GM2192246Courtesy of GENERAL MOTORS COMPANY
    • Install a NEW seal ring (3) to the turbocharger coolant feed pipe hollow screw (4).
    • Install the turbocharger coolant feed pipe hollow screw along with the seal ring to the turbocharger coolant feed pipe (2).
    • Install a NEW seal ring (1) to the turbocharger coolant feed pipe hollow screw.
    • Install the turbocharger coolant feed pipe hollow screw along with the turbocharger coolant feed pipe and the 2 seal rings to the engine.
  11. Install the EN-49942  holding wrench (2) to the turbocharger coolant feed pipe. Guide a ratchet wrench (1) along with an extension through EN-49942  holding wrench to the turbocharger coolant feed pipe hollow screw.
    Fig 6: Ratchet Wrench And Holding Wrench
    GM2192010Courtesy of GENERAL MOTORS COMPANY
    NOTE: The EN-49942  holding wrench should be installed in a perpendicular position as shown to ensure a proper installation position of the turbocharger coolant feed pipe.
  12. Tighten the turbocharger coolant feed pipe hollow screw with ratchet wrench and extension (1) to 30 N.m (22 lb ft).
    Fig 7: Ratchet Wrench, Holding Wrench And Coolant Feed Pipe
    GM2192009Courtesy of GENERAL MOTORS COMPANY
    NOTE: EN-49942  holding wrench (2) should be installed to the turbocharger coolant feed pipe as shown. The holding wrench should be installed to avoid twist of the turbocharger coolant feed pipe during the fastening procedure.
  13. Install the charge air cooler inlet air hose to the turbocharger. Refer to Charge Air Cooler Inlet Air Hose Replacement .
  14. Install the turbocharger coolant return pipe bolt (7) and tighten to 8 N.m (71 lb in).
    Fig 8: Turbocharger Oil Feed Pipe Components
    GM2190428Courtesy of GENERAL MOTORS COMPANY
  15. Install the turbocharger coolant return hose (6) to the oil cooler inlet pipe.
  16. Install the turbocharger coolant return hose clamp.
  17. Install the turbocharger oil feed pipe (2) to the oil cooler and the turbocharger.
  18. Install the turbocharger oil feed pipe bolt (5).
  19. Install the turbocharger oil feed pipe hollow screw (4) along with the 2 NEW seal rings (1) and (3) and tighten to 20 N.m (15 lb ft).
  20. Tighten the turbocharger oil feed pipe bolt to 8 N.m (71 lb in).
  21. Connect the turbocharger wastegate regulator solenoid valve wiring harness connector (1) and clip in wiring harness to retainer clip (2).
    Fig 9: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Connector And Retaining Clip
    GM2192219Courtesy of GENERAL MOTORS COMPANY
  22. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (1.4L LUV) .
  23. Connect the positive crankcase ventilation pipe to the turbocharger. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement .
  24. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  25. Connect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  26. Fill the cooling system. Refer to Cooling System Draining and Filling (GE-47716 Fill) and Cooling System Draining and Filling (Static Fill) .
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