Chevrolet Sonic Repair Manual: Turbocharger Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Intake and Forced Induction / Forced Induction / Turbocharger Installation

Special Tool

EN-49942 Holding Wrench

For equivalent regional tools, refer to Special Tools.

Clean the sealing surfaces.
Replace the connect fittings on the turbocharger coolant feed pipe and the turbocharger coolant return pipe. Refer to Turbocharger Disassemble and Turbocharger Assemble.

Note:

Mind the turbocharger oil return pipe.

Install the turbocharger assembly (1) and a NEW turbocharger gasket (2).

Connect the turbocharger oil return pipe to the engine while installing the turbocharger.
Install the turbocharger coolant feed pipe hollow screw along with 2 NEW seal rings (1) and (2).

Install the 8 NEW turbocharger nuts (1).

Caution:

Refer to Fastener Caution.

Caution:

Refer to Torque-to-Yield Fastener Caution.

Tighten the 8 turbocharger nuts in a sequence as shown to 8 Y (71 lb in)
.
Repeat the tightening procedure to ensure a proper fastening of the turbocharger nuts.

Connect the turbocharger coolant return hose (6) to the oil cooler coolant inlet pipe and install the turbocharger coolant return pipe bolt (7) to the oil cooler. Tighten the turbocharger coolant return pipe bolt to 8 Y (71 lb in)
.
Install the turbocharger oil feed pipe (2) along with a NEW rubber seal ring.
Install the turbocharger oil feed pipe hollow screw (4) in compound with 2 NEW seal rings (1) and (3).
Install the turbocharger oil feed pipe bolt (5) to the oil cooler and tighten to 10 Y (89 lb in)
.
Tighten the turbocharger oil feed pipe hollow screw to 30 Y (22 lb ft)
.

Note:

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

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 while the fastening procedure.

Tighten the turbocharger coolant feed pipe hollow screw with ratchet wrench and extension (1) to 30 Y (22 lb ft)
.

Turbocharger Disassemble

Special Tool EN-49940 Remover Quick Connector For equivalent regional tools, refer to Special Tools. Remove the 2 turbocharger oil return pipe bolts (2). Remove the turbo ...

Turbocharger Oil Feed Pipe Replacement

Removal Procedure Open the hood. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the exhaust manifold heat shield. Refer ...

Other materials:

Engine Oil Life System
The engine oil life system calculates engine oil life based on vehicle use and displays the %CHANGE message on the DIC when it is necessary to change the engine oil and filter. Remember, the oil life display must be reset after each oil change. It will not reset itself. Resetting the Oil Li ...

Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise may be heard. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline with a higher ...

Transmission Disassemble (Gen 1)
Special Tools 3-9506289 Universal Adapter R-0007758 Holding Fixture S-9407198 Differential Bearing Race Wrench For equivalent regional tools, refer to Special Tools. Attach R-0007758 holding fixture (2) to the transmission. Attach R-0007758 holding fixture (2 ...

0.0074