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Home >> Chevrolet >> 2017 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 19 (Engine Mechanical - 2.0L (LTG)) >> Repair Instructions - On Vehicle >> Turbocharger Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Turbocharger Oil Feed Pipe Gasket (4) - Install
    Fig 1: Turbocharger Nut
    GM4239988Courtesy of GENERAL MOTORS COMPANY
    NOTE: Install a NEW gasket.
  2. Turbocharger Gasket (3) - Install
    NOTE: Install a NEW gasket.
  3. Turbocharger (2) - Install
  4. Turbocharger Nut (1) - Loosely install [4x]
    NOTE: Install NEW nuts.
    NOTE: The exhaust pipe studs do not come installed on new turbochargers. If the turbocharger is being replaced, new studs will need to be installed.
  5. Turbocharger Nut - Tighten in sequence
    Fig 2: Turbocharger Nut Tighten in sequence
    GM4240077Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Refer to Fastener Caution .
    CAUTION: This component uses torque-to-yield bolts. When servicing this component do not reuse the bolts, New torque-to-yield bolts must be installed. Reusing used torque-to-yield bolts will not provide proper bolt torque and clamp load. Failure to install NEW torque-to-yield bolts may lead to engine damage.

    Tighten

    1. First Pass: 30 N.m (22 lb ft)
    2. Final Pass: an additional 90 degrees
  6. Inspect the O-ring and replace if necessary. (3)
    Fig 3: PCV Valve
    GM4240190Courtesy of GENERAL MOTORS COMPANY
    NOTE: Always ensure the PCV hose fitting O-Ring (3) seal is free of cuts or abrasions each time the fitting is attached to the turbocharger.
  7. Positive Crankcase Ventilation Hose Fitting (2) - Connect
  8. Positive Crankcase Ventilation Hose Fitting Bolt (1) - Install and tighten 8 N.m (71 lb in)
  9. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
  10. Turbocharger Oil Feed Pipe Bolt (1) - Install and tighten [2x] 10 N.m (89 lb in)
    Fig 4: Turbocharger Oil Feed Pipe Bolt
    GM4239855Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Refer to Fastener Caution .
  11. Lower the vehicle. Refer to Lifting and Jacking the Vehicle
  12. Turbocharger Coolant Feed Pipe Replacement (LTG) - Install
  13. Turbocharger Coolant Return Pipe Replacement (LTG) - Install
  14. Warm Up Three-Way Catalytic Converter Replacement (LTG) - Install
  15. Turbocharger Oil Return Pipe Replacement  - Install
  16. Charge Air Cooler Inlet Air Tube Replacement - Install
  17. Connect the turbocharger electrical connectors.
  18. Turbocharger Heat Shield (2) - Install Turbocharger Heat Shield Replacement .
    Fig 5: Turbocharger Heat Shield
    GM4239600Courtesy of GENERAL MOTORS COMPANY
  19. Air Cleaner Outlet Duct Replacement - Install
  20. Intake Manifold Cover Replacement  - Install
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