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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 - Off Vehicle >> Turbocharger Installation

Turbocharger Installation

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  1. Install the turbocharger oil feed pipe (2) and NEW washers (3) onto the turbocharger.
    Fig 1: Turbocharger Oil Feed Pipe Bolt
    GM2769469Courtesy of GENERAL MOTORS COMPANY
    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.
  2. Install the turbocharger oil feed pipe bolt (1) and tighten to 35 N.m (26 lb ft).
    CAUTION: Refer to Fastener Caution .
  3. Install a NEW turbocharger oil return pipe gasket (4).
  4. Install the turbocharger oil return pipe (5) onto the turbocharger.
  5. Install the turbocharger oil return pipe bolts (6) and tighten to 10 N.m (89 lb in).
  6. Install a NEW turbocharger gasket (3) on the turbocharger.
    Fig 2: Exploded View Of Turbocharger
    GM2769468Courtesy of GENERAL MOTORS COMPANY
  7. Install NEW turbocharger oil feed and oil return pipe gaskets (4, 5).
  8. Install the turbocharger (1).
  9. Install NEW turbocharger nuts (2) finger tight.
    CAUTION: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.
  10. Install the turbocharger oil feed and return pipe bolts (6) at the engine block. tighten the bolts to 10 N.m (89 lb in).
  11. Inspect the PCV hose fitting O-Ring seal and replace if necessary.
    Fig 3: PCV Hose Fitting Bolt
    GM2845924Courtesy of GENERAL MOTORS COMPANY
    NOTE: The PCV hose and fitting assembly connection is permanent. Reinstall these components as an assembly unless new components are being used.
    NOTE: Always ensure the PCV hose fitting O-Ring seal is free of cuts or abrasions each time the fitting is attached to the turbocharger.
  12. Install the PCV hose and fitting assembly (1) to the turbocharger. Install the PCV hose fitting assembly bolt (2) and tighten to 8 N.m (71 lb in).
  13. Tighten the turbocharger nuts in sequence to 30 N.m (22 lb ft) plus 90 degrees.
    Fig 4: Turbocharger Nut Tightening Sequence
    GM2769467Courtesy of GENERAL MOTORS COMPANY
  14. Install the turbocharger bypass valve solenoid (2).
    Fig 5: Turbocharger Bypass Valve Solenoid Bolts
    GM2769465Courtesy of GENERAL MOTORS COMPANY
  15. Install the turbocharger bypass valve solenoid bolts (1) and tighten to 8 N.m (71 lb in).
  16. Install the turbocharger wastegate regulator solenoid valve (1).
    Fig 6: Turbocharger Wastegate Regulator Solenoid Valve
    GM2769464Courtesy of GENERAL MOTORS COMPANY
  17. Install the turbocharger wastegate regulator solenoid valve bracket bolt (2) and tighten to 8 N.m (71 lb in).
  18. Connect the turbocharger wastegate regulator solenoid valve hoses to the turbocharger.
  19. Install the turbocharger coolant feed pipe (5) and NEW washers (2) on the turbocharger.
    Fig 7: Turbocharger Coolant Feed Pipe Bolts
    GM2769463Courtesy of GENERAL MOTORS COMPANY
  20. Install the turbocharger coolant feed pipe bolt (1) and tighten to 35 N.m (26 lb ft).
  21. Install a NEW turbocharger coolant feed pipe gasket (4).
  22. Install the turbocharger coolant feed pipe bolts (3) and tighten to 10 N.m (89 lb in).
  23. Connect the turbocharger coolant feed pipe hose to the engine oil cooler.
  24. Install the turbocharger coolant return pipe (2) and NEW washers (4, 5) on the turbocharger.
    Fig 8: Camshaft Cover Heat Shield Bolt
    GM2769462Courtesy of GENERAL MOTORS COMPANY
  25. Install the turbocharger coolant return pipe bolt (3) and tighten to 35 N.m (26 lb ft).
  26. Connect the turbocharger coolant return pipe to the air bleed hose.
  27. Install the camshaft cover heat shield bolt (1) that retains the turbocharger coolant return pipe (2) at the camshaft cover. Tighten the bolt to 10 N.m (89 lb in).
  28. Install the turbocharger wastegate actuator (2) and actuator bolts (1) and tighten to 8 N.m (71 lb in).
    Fig 9: Turbocharger Wastegate Actuator Arm Retainer
    GM2769461Courtesy of GENERAL MOTORS COMPANY
  29. Install the turbocharger wastegate actuator arm retainer (3).
  30. Install the turbocharger heat shield (2).
    Fig 10: Turbocharger Heat Shield Bolts
    GM2915358Courtesy of GENERAL MOTORS COMPANY
  31. Install the turbocharger heat shield bolts (1, 3) and tighten to 14 N.m (124 lb in).
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