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:

Special Tools
Illustration Tool Number/Description CH-41013 J 41013 Rotor Resurfacing Kit CH-42450-A J 42450-A Wheel Hub Resurfacing Kit CH-45101 J ...

Aluminum Wheel Porosity Repair
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel. Refer to Tire and Wheel Removal and Installation. Inflate the tire to the manufacturer specified pressure as stated on the tire. Submerge the tire/wheel into a water bath in order t ...

Timing Belt Installation
Special Tools EN-6333 Locking Pin EN-6340 Locking Tool For equivalent regional tools, refer to Special Tools. Note: The timing belt drive gear and oil pump housing must align. Turn the crankshaft in the direction of engine rotation, by the crankshaft balancer bolt ...

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