Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Automatic Transmission Flex Plate Replacement

Chevrolet Sonic Repair Manual / Powertrain / Transmission/Transaxle / Automatic / 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:

  1. Stress cracks around the flex plate.
  2. Cracks at welded areas that retain the ring gear onto the flex plate.
  3. Damaged or missing ring gear teeth.
  4. 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 trans ...

Automatic Transmission Fluid Pressure Test Hole Plug Replacement
Automatic Transmission Fluid Pressure Test Hole Plug Replacement Callout Component Name 1 Fluid Pressure Test Plug ...

Other materials:

All-Season Tires
This vehicle may come with all-season tires. These tires are designed to provide good overall performance on most road surfaces and weather conditions. Original equipment tires designed to GM's specific tire performance criteria have a TPC specification code molded onto the sidewall. Origi ...

Steering Angle Sensor Centering
The steering angle sensor does not require centering often. Centering of the steering angle sensor might be required after certain service procedures are performed. Some of these procedures are as follows: Wheel alignment Steering gear replacement Steering column replacement Collision ...

Transmission Fluid Drain and Fill
Draining Procedure Note: The fluid check bolt at the front of the transmission may not be opened. The transmission fluid drained out during the pre-delivery inspection may be re-used. New transmission fluid must be used during servicing work. The transmis ...

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