Chevrolet Trax: Turbocharger replacement - Removal Procedure

Special Tools

EN-49942 Holding Wrench

For equivalent regional tools, refer to Special Tools.

Removal Procedure

1. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .
2. Drain the cooling system. Refer to Cooling System Draining and Filling .
3. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement .
4. Disconnect the positive crankcase ventilation pipe from turbocharger.
5. Remove the exhaust manifold heat shield. Refer to Exhaust Manifold Heat Shield Replacement (LUV) .

Fig. 196: Turbocharger Wastegate Regulator Solenoid Valve Wiring Harness Connector And Retaining Clip

6. Disconnect the turbocharger wastegate regulator solenoid valve wiring harness connector (1) and unclip wiring harness from retainer clip (2).

Fig. 197: Turbocharger Oil Feed Pipe Components

7. Remove the turbocharger oil feed pipe hollow screw (4).
8. Remove and DISCARD the 2 seal rings (1) and (3).
9. Remove the turbocharger oil feed pipe bolt (5).

NOTE: Close the screw bore in the turbocharger in order to avoid contamination.

10. Remove the turbocharger oil feed pipe (2).
11. Loosen the turbocharger coolant return hose clamp and remove the turbocharger coolant return hose (6) from the oil cooler inlet pipe.
12.  Remove the turbocharger coolant return pipe bolt (7).
13. Remove the charge air cooler inlet air hose from the turbocharger. Refer to Charge Air Cooler Inlet Air Hose Replacement

NOTE: It is not necessary to evacuate the air conditioning system when repositioning the compressor.

14. Remove the air conditioning compressor bracket and reposition the air conditioning compressor. Refer to Air Conditioning Compressor Bracket Replacement (LUJ, LUV) .

Fig. 198: Ratchet Wrench And Holding Wrench

15. 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. 199: Ratchet Wrench, Holding Wrench And Coolant Feed Pipe

NOTE: EN-49942 holding wrench (2) should be installed to turbocharger coolant feed pipe as shown. The holding wrench should be installed to avoid twist of the turbocharger coolant feed pipe during the loosening procedure.

16. Loosen the turbocharger coolant feed pipe hollow screw with ratchet wrench and extension (1).
17.  Remove the turbocharger coolant feed pipe hollow screw.
18. Remove and DISCARD the 2 seal rings.
19. Remove the warm up three-way catalytic converter. Refer to Warm Up Three-Way Catalytic Converter Replacement (2H0, LUV) .

Fig. 200: Turbocharger Oil Return Pipe Bolts

20. Remove the 2 turbocharger oil return pipe bolts (1) from turbocharger.
21.  Remove the turbocharger oil return pipe from the turbocharger.
22. Remove and DISCARD the gasket.

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

23. Remove the wastegate actuator nuts and set aside.

Fig. 201: Turbocharger Nuts

24. Remove and DISCARD the 8 turbocharger nuts (1).

Fig. 202: Turbocharger Assembly And Gasket

25. Remove the turbocharger assembly (1).
26. Remove and DISCARD the turbocharger gasket (2).
27. Remove the assembly parts from the turbocharger as necessary. Refer to Turbocharger Disassemble.
28. If the turbocharger is being reused, refer to Turbocharger Cleaning and Inspection.

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