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:

Hood Rear Seal Replacement
Hood Rear Seal Replacement Callout Component Name 1 Hood Rear Seal Procedure Clean the area where the seal will be mounted. Use a suitable solvent with a mixture of 50?€‰percent isopropyl alcohol and 50?â ...

Front Suspension Description and Operation
The front suspension has 2 primary purposes: Isolate the driver from irregularities in the road surface. Define the ride and handling characteristics of the vehicle. The front suspension absorbs the impact of the tires travelling over irregular road surfaces and dissipates this energy t ...

Lubrication Description
Oil is applied under pressure to the crankshaft (8), connecting rods (5), camshaft adjuster (1), camshaft bearing surfaces (3) and valve tappets (4). All other moving parts are lubricated by gravity flow or splash. Oil enters the rotor type oil pump (10) ...

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