Chevrolet Sonic Repair Manual: Automatic Transmission Flex Plate Replacement

Chevrolet Sonic Repair Manual / Powertrain / Engine / General / Automatic Transmission Flex Plate Replacement

Automatic Transmission Flex Plate Replacement
Callout	Component Name
Preliminary Procedure Remove the transmission. Refer to Transmission Replacement. Special Tools EN-470-B Angular Torque Wrench EN-49979 Crankshaft Shock Mount Retainer For equivalent regional tools, refer to Special Tools.
1	Automatic Transmission Flex Plate Fastener (Qty: 6) Caution: Refer to Fastener Caution. Procedure Ensure to use a NEW fastener whenever the automatic transmission flex plate is removed. Tighten 35 Y (26 lb ft) Tighten the bolt an additional 30 degrees, and one more pass at 15 degrees using EN-470-B wrench .
2	Flex Plate
3	Automatic Transmission Flex Plate Procedure Inspect the automatic transmission flex plate for the following: Stress cracks around the flex plate. Cracks at welded areas that retain the ring gear onto the flex plate. Damaged or missing ring gear teeth. Do not attempt to repair the welded areas that retain the ring gear to the automatic transmission flex plate. Install a new flex plate.

Automatic Transmission Flex Plate Removal

Special Tools EN-652 Automatic Transmission Flex Plate Holder For equivalent regional tools, refer to Special Tools. Install the EN-652 holder (1) to hold the automatic transmiss ...

Battery Charging

Special Tools EL 50313 Battery Tester For equivalent regional tools, refer to Special Tools. Diagnostic Aids For best results, use an automatic taper-rate battery charger with a ...

Other materials:

Vehicle Messages
DIC messages display when the status of the vehicle has changed and action may be needed to correct the condition. Multiple messages appear one after another. Press any of the DIC buttons on the turn signal lever to acknowledge and clear them from the display. More urgent messages cannot be cle ...

Crankshaft and Bearing Cleaning and Inspection
Special Tools EN-45059 Torque Angle Sensor Kit GE-571-B Dial Gauge For equivalent regional tools, refer to Special Tools. Crankshaft End Play, Check Note: Crankshaft attached with crankshaft bearing caps. Install the GE-571-B gauge (1). ...

Manual Transmission Shift Lever and Selector Lever Cable Replacement
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. \i Disconnect the shift lever and selector cable ends (1) from the transmission shift lever and selector levers. Pull the cable retainers (2) to release the shift leve ...

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