Chevrolet Sonic Repair Manual: Control Valve Body Cover Replacement
- Removal Procedure
-
- Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove the front bumper fascia opening lower cover. Refer to Front Bumper Fascia Opening Lower Cover Replacement.
- Remove the front wheel house liner inner front extension. Refer to Front Wheelhouse Liner Inner Front Extension Replacement.
- Drain the transmission fluid.
- Remove oil cooler inlet (1) and outlet (2) hoses from the retainer (3) on the control valve body cover.
- Disconnect the control valve body transmission control module electrical connector (1), then unclip the wiring harness from the cover.
- Remove the control valve body cover bolts (1).
- Remove the control valve body cover (2).
- Remove the control valve body cover gasket (3).
- Remove the control valve body cover wiring connector hole seal (4).
- Remove all traces of the old gasket material. Clean the transmission case and control valve body cover gasket surfaces.
Caution:
Support the control solenoid valve assembly around the connector when removing the seal. Excessive pulling force can damage the internal electrical connections.
- Installation Procedure
-
- Install the control valve body cover wiring connector hole seal (4).
- Install the control valve body cover gasket (3) to the control valve body cover.
- Install the control valve body cover (2).
- Hand start the control valve body cover bolts (1).
- Install the control valve body cover bolts. Tighten
the bolts in sequence to 12 Y (106 lb in)
.
- Connect the control valve body transmission control module electrical connector (1), then clip the wiring harness to the cover.
- Raise the vehicle.
- Install the oil cooler inlet (1) and outlet (2) hoses to the retainer (3) on the control valve body cover.
- Install the front wheel house liner inner front extension. Refer to Front Wheelhouse Liner Inner Front Extension Replacement.
- Install the front bumper fascia opening lower cover. Refer to Front Bumper Fascia Opening Lower Cover Replacement.
- Fill the transmission with correct fluid.
- Check transmission fluid level. Refer to Transmission Fluid Level and Condition Check.
- Lower the vehicle.
- Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
- Check for leaks.
Caution:
Refer to Fastener Caution.
Note:
Install all control valve body cover bolts and studs by hand then torque all bolts and studs in sequence.
Control Valve Body Cover Installation
Control Valve Body Cover Installation
Callout
Component Name
1
Input Speed Sensor Connector
2
...
Control Valve Body Replacement
Control Valve Body Replacement
Callout
Component Name
Preliminary Procedure
Remove the control solenoid valve and transmission ...
Other materials:
Dinghy Towing All except RS Model with Automatic Transmission
When dinghy towing a vehicle with an automatic transmission, the vehicle should
be run at the beginning of each day and at each RV fuel stop for about five minutes.
This will ensure proper lubrication of transmission components.
To dinghy tow the vehicle from the front with all four wheels on ...
Intake Camshaft Removal
Remove the camshaft bearing cap bolts in a spiral sequence as shown one
turn at a time until there is no spring tension pushing on the camshaft.
Note: Mind the markings on the camshaft bearing caps to ensure
they will be installed in the same position.
Remove the ...
Gears Cleaning and Inspection (Gen 2)
Gears
Warning: Wear safety glasses to avoid injury when using compressed
air or any cleaning solvent. Bodily injury may occur if fumes are inhaled
or if skin is exposed to chemicals.
Clean the following gears in a suitable solvent and
air dry all the p ...
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