Buick Regal: Turbocharger Heat Shield Replacement

1. Turbocharger Heat Shield Bolt [3x]
   CAUTION: Refer to Fastener Caution.
   NOTE: In the event that a bolt breaks upon removal of components, perform an extraction of the broken bolt.
   Tighten 14 N.m (10 lb ft)
2. Turbocharger Heat Shield

TURBOCHARGER REPLACEMENT

Removal Procedure

CAUTION: If a turbocharger has failed, clean any turbocharger debris or excessive oil from the charge air cooler system before installing the new turbocharger. Failure to clean debris from the charge air cooler system will cause severe turbocharger and engine damage upon startup.

1. Intake Manifold Cover Replacement - Remove.

2. Air Cleaner Outlet Duct Replacement - Remove.

3.

Turbocharger Heat Shield (2) - Remove.

4. Turbocharger Coolant Return Pipe Replacement - Remove.

5. Warm Up Three-Way Catalytic Converter Replacement (2.0L LTG) - Remove.

6. Turbocharger Oil Return Pipe Replacement - Remove.

7. Raise and support the vehicle.

8.

Turbocharger Oil Feed Pipe Bolt (1) - Remove [2X].

9. Turbocharger Coolant Feed Pipe Replacement - Remove.

10. Charge Air Cooler Inlet Air Tube Replacement - Remove.

11. Lower the vehicle.

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 (3) seal is free of cuts or abrasions each time the fitting is attached to the turbocharger.

Positive Crankcase Ventilation Hose Fitting Bolt (1) - Remove.

13. Positive Crankcase Ventilation Hose Fitting (2) - Disconnect.

14. Disconnect the electrical connectors from the turbocharger.

15.

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.

Turbocharger Nut (1) - Remove and DISCARD [4x].

16. Turbocharger (2) - Remove.

17. Turbocharger Gasket (3) - Remove and DISCARD.

18. Turbocharger Oil Feed Pipe Gasket (4) - Remove and DISCARD.

19. Turbocharger (2) - Clean and inspect - Refer to Camshaft Cover and Compressor Air Intake Turbocharger Cleaning and Inspection.

20. Transfer components as necessary.

Installation Procedure

1.

NOTE: Install a NEW gasket.

Turbocharger Oil Feed Pipe Gasket (4) - Install.

NOTE: Install a NEW gasket.

2. Turbocharger Gasket (3) - Install.

3. Turbocharger (2) - Install.

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.

4. Turbocharger Nut (1) - Loosely install [4x].

5.

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.

Turbocharger Nut - Tighten in sequence.

Tighten

1. First Pass: 30 N.m (22 lb ft)
2. Final Pass: an additional 90 degrees

6.

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.

Inspect the O-ring and replace if necessary. (3).

7. Positive Crankcase Ventilation Hose Fitting (2) - Connect.

8. Positive Crankcase Ventilation Hose Fitting Bolt (1) - Install and tighten8 N.m (71 lb in).

9. Raise and support the vehicle. Lifting and Jacking the Vehicle.

10.

CAUTION: Refer to Fastener Caution.

Turbocharger Oil Feed Pipe Bolt (1) - Install and tighten [2X]10 N.m (89 lb in).

11. Lower the vehicle. Lifting and Jacking the Vehicle.

12. Turbocharger Coolant Feed Pipe Replacement - Install.

13. Turbocharger Coolant Return Pipe Replacement - Install.

14. Warm Up Three-Way Catalytic Converter Replacement (2.0L 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.

19. Air Cleaner Outlet Duct Replacement - Install.

20. Intake Manifold Cover Replacement - Install.

TURBOCHARGER OIL RETURN PIPE REPLACEMENT

Removal Procedure

1. Warm Up Three-Way Catalytic Converter Replacement (2.0L LTG) - Remove.

2. Raise and support the vehicle. Lifting and Jacking the Vehicle.

3.

Turbocharger Oil Return Pipe Bolt (1) - Remove [2x].

4.

Turbocharger Oil Return Pipe Bolt (1) - Remove [2x].

5. Turbocharger Oil Return Pipe (2) - Remove.

6.

Turbocharger Oil Return Pipe Gasket (1) - Remove and DISCARD [2x].

Installation Procedure

1.

NOTE: Install a NEW gasket.

Turbocharger Oil Return Pipe Gasket (1) - Install [2x]

2.

Turbocharger Oil Return Pipe (2) - Install

CAUTION: Refer to Fastener Caution.

3. Turbocharger Oil Return Pipe Bolt (1) - Install and tighten [2x]10 N.m (89 lb in).

4.

Turbocharger Oil Return Pipe Bolt (1) - Install and tighten [2x]10 N.m (89 lb in).

5. Warm Up Three-Way Catalytic Converter Replacement (2.0L LTG) - Install.

6. Lower the vehicle. Lifting and Jacking the Vehicle

TURBOCHARGER OIL FEED PIPE REPLACEMENT

Preliminary Procedure

Turbocharger Replacement.

1. Turbocharger Oil Feed Pipe Bolt
   CAUTION: Refer to Fastener Caution.
   Tighten 35 N.m (26 lb ft)
2. Turbocharger Oil Feed Pipe Washer [2x]
   Procedure
   Install NEW sealing washers.
3. Turbocharger Oil Feed Pipe Gasket
   Procedure
   Install a NEW gasket.
4. Turbocharger Oil Feed Pipe

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