Chevrolet Sonic Repair Manual: Turbocharger Removal
Special Tool
EN-49942 Holding Wrench
For equivalent regional tools, refer to Special Tools.
- 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.
- Loosen the turbocharger coolant feed pipe hollow screw with ratchet wrench and extension (1).
- Remove the turbocharger coolant feed pipe hollow screw (3) and the 2 seal rings (1) and (2).
- Disconnect the turbocharger oil return pipe (4) from the engine block.
- Remove the turbocharger oil feed pipe bolt (5) from the oil cooler.
- 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.
- Remove the turbocharger oil feed pipe (2) and the rubber seal ring.
- 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.
- Remove the 8 turbocharger nuts (1).
- Remove the turbocharger assembly (1) and the turbocharger gasket (2).
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.
Turbocharger Oil Return Pipe Replacement
Removal procedure
Remove the drivetrain and front suspension frame skid plate, if equipped.
Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement.
...
Turbocharger Replacement
Special Tools
EN-49942 Holding Wrench
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Disconnect battery negative cable. Refer to Battery Negative Cable Dis ...
Other materials:
Rear Axle Replacement
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the tires and wheel assembly. Refer to Tire and Wheel Removal
and Installation.
Remove the park brake cables from the rear axle. Refer to Parking Brake
Cable Replacement. ...
Battery Inspection/Test
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this diagnostic
procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic approach.
Diagnostic Procedure Instructions provides an overview of each diagnostic
catego ...
Secondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust
emissions during a cold start. This occurs when the start-up engine coolant temperature
(ECT) is between −10 to +56°C (14?E33°F), the intake air temperature (IAT) is greater
than −10°C (14°F) and it ...
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