Chevrolet Sonic Repair Manual: Turbocharger Removal

Special Tool

EN-49942 Holding Wrench

For equivalent regional tools, refer to Special Tools.

1. 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.




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.

2. Loosen the turbocharger coolant feed pipe hollow screw with ratchet wrench and extension (1).


3. Remove the turbocharger coolant feed pipe hollow screw (3) and the 2 seal rings (1) and (2).
4. Disconnect the turbocharger oil return pipe (4) from the engine block.


5. Remove the turbocharger oil feed pipe bolt (5) from the oil cooler.
6. Remove the turbocharger oil feed pipe hollow screw (4) and the 2 seal rings (1) and (3) and close the screw bore in the turbocharger.
7. Remove the turbocharger oil feed pipe (2) and the rubber seal ring.
8. Disconnect the turbocharger coolant return hose (6) from the oil cooler coolant inlet pipe and remove the turbocharger coolant return pipe bolt (7) from the oil cooler.


9. Remove the 8 turbocharger nuts (1).


10. Remove the turbocharger assembly (1) and the turbocharger gasket (2).

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