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Installation Procedure

WARNING: This page is about a different car, the 2015 Chevrolet Trax and 2015 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the assembly parts to the turbocharger as necessary. Refer to Turbocharger Assemble .
  2. Clean the sealing surfaces.
    3. Fig 1: Turbocharger Assembly And Gasket
    GM2192371Courtesy of GENERAL MOTORS COMPANY
  3. Install a NEW turbocharger gasket.
  4. Install the turbocharger assembly (1).
    5. Fig 2: Turbocharger Nuts
    GM2192236Courtesy of GENERAL MOTORS COMPANY
  5. Install the 8 NEW turbocharger nuts (1).
    6. Fig 3: Turbocharger Nut Tightening Sequence
    GM2192286Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    CAUTION:

    Refer to Torque-to-Yield Fastener Caution .

  6. Tighten the 8 turbocharger nuts in a sequence as shown to 8 N.m (71 lb in).
  7. Repeat the tightening procedure to ensure a proper fastening of the turbocharger nuts.
    8. NOTE:

    It is only necessary to move the wastegate actuator aside enough to access the manifold nuts.

  8. Install the wastegate actuator and nuts and tighten to 7 N.m (62 lb in).
    9. Fig 4: Turbocharger Oil Return Pipe Bolts
    GM2192221Courtesy of GENERAL MOTORS COMPANY
  9. Install a NEW gasket and the 2 turbocharger oil return pipe bolts (1) and tighten to 8 N.m (71 lb in).
  10. Install the warm up three-way catalytic converter. Refer to Warm Up Three-Way Catalytic Converter Replacement (2H0, LUV) .
    11. Fig 5: Turbocharger Coolant Feed Pipe Components
    GM2192246Courtesy of GENERAL MOTORS COMPANY
  11. Install the turbocharger coolant feed pipe to the engine block. Use the following procedure:
    • 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.
    12. 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. 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.
  13. Install the air conditioning compressor bracket then reposition and install the air conditioning compressor. Refer to Air Conditioning Compressor Bracket Replacement (LUJ, LUV)Air Conditioning Compressor Bracket Replacement (2H0) .
    14. 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.

  14. Tighten the turbocharger coolant feed pipe hollow screw with ratchet wrench and extension (1) to 30 N.m (22 lb ft).
  15. Install the charge air cooler inlet air hose to the turbocharger. Refer to Charge Air Cooler Inlet Air Hose Replacement .
    16. Fig 8: Turbocharger Oil Feed Pipe Components
    GM2190428Courtesy of GENERAL MOTORS COMPANY
  16. Install the turbocharger coolant return pipe bolt (7) and tighten to 8 N.m (71 lb in).
  17. Install the turbocharger coolant return hose (6) to the oil cooler inlet pipe.
  18. Install the turbocharger coolant return hose clamp.
  19. Install the turbocharger oil feed pipe (2) to the oil cooler and the turbocharger.
  20. Install the turbocharger oil feed pipe bolt (5).
  21. Install the turbocharger oil feed pipe hollow screw (4) along with the 2 NEW seal rings (1) and (3) and tighten to 30 N.m (22 lb ft).
  22. Tighten the turbocharger oil feed pipe bolt to 10 N.m (89 lb in).
    23. Fig 9: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Connector And Retaining Clip
    GM2192219Courtesy of GENERAL MOTORS COMPANY
  23. Connect the turbocharger wastegate regulator solenoid valve wiring harness connector (1) and clip in wiring harness to retainer clip (2).
  24. Install the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUV) .
  25. Connect the positive crankcase ventilation pipe to the turbocharger.
  26. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
  27. Connect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
  28. Fill the cooling system. Refer to Cooling System Draining and Filling .
  29. Use a scan tool to perform the Engine Control Module Setup for Component Replacement. Refer to Control Module References .
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