Chevrolet Sonic Repair Manual: Engine Flywheel Replacement

Chevrolet Sonic Repair Manual / Powertrain / Engine / General / Engine Flywheel Replacement

Engine Flywheel Replacement
Callout	Component Name
Preliminary Procedure Remove the clutch pressure and driven Plate . Refer to Clutch Pressure and Driven Plate Replacement. Special Tools EN-652 Flywheel Holder EN-45059 Torque Angle Sensor Kit For equivalent regional tools. Refer to Special Tools.
1	Flywheel Fastener (Qty: 6) Caution: Refer to Fastener Caution. Procedure Discard the flywheel fastener and use a NEW fastener for installation. Tighten First pass to 35 Y (26 lb ft) Second pass to additional 30°. Final pass to an additional 15°.
2	Flywheel Procedure Inspect the engine flywheel for the following: Stress cracks around the engine flywheel. Cracks at welded areas that retain the ring gear onto the engine flywheel. Damaged or missing ring gear teeth. Do not attempt to repair the welded areas that retain the ring gear to the engine flywheel plate. Install a new engine flywheel.

Engine Flywheel Removal

Special Tools EN-652 Flywheel Holder For equivalent regional tools, refer to Special Tools. Install EN-652 holder (1) to hold the engine flywheel (2). Remove an ...

Engine Identification

Engine Number Note: The engine identification number must be stamped to the cylinder block in case of engine replacement. The engine number is stamped to the engine blockR ...

Other materials:

Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM devices to communicate with each others. Use Data Communication Schematics to find out which serial data buses are configured for a specific vehicle. Circuit Description There are many components in a vehicle t ...

Engine Front Cover and Oil Pump Assemble
Oil Pump Installation Note: The oil pump slide spring and pin, as well as the slide seal and slide seal spring can be ordered as single parts. All other oil pump components can only be ordered as a replacement kit. Install the oil pump components in the fo ...

Throttle/Idle Learn
Description The engine control module (ECM) learns the airflow through the throttle body to ensure the correct idle. The learned airflow values are stored within the ECM. These values are learned to adjust for production variation and will continuously learn during the life of the ...

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