Chevrolet Sonic manuals

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:

  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 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:

Camber Description
Camber is the tilting of the wheels from the vertical when viewed from the front of the vehicle. When the wheels tilt outward at the top, the camber is positive (+). When the wheel tilts inward at the top, the camber is negative (−). The amount of tilt is measured in degr ...

Transmission Control Replacement
Removal Procedure Remove the floor console. Refer to Front Floor Console Replacement. Lift both cable adjustment retainers (1), one for each cable, to release the shift lever and selector lever cable. .1 Pull the shift lever and selector lever cable ret ...

Liftgate
To lock or unlock the liftgate from the inside, press or on the central locking switch or on the driver door switch. The vehicle must be in P (Park) for automatic transmissions. For manual transmissions the parking brake must be engaged. To open the liftgate from the outside, press twi ...

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