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:
Securing Child Restraints (Right Front Passenger Seat)
This vehicle has airbags. A rear seat is a safer place to secure a forward-facing
child restraint. See Where to Put the Restraint.
In addition, the vehicle has a passenger sensing system which is designed to
turn off the front outboard passenger frontal airbag and knee airbag under certain
co ...
What to Add
Use only new DOT 3 brake fluid from a sealed container. See Recommended Fluids
and Lubricants.
Always clean the brake/clutch fluid reservoir cap and the area around the cap
before removing it. This helps keep dirt from entering the reservoir.
Warning
With the wrong kind of fluid in the brake/ ...
Heated Oxygen and Oxygen Sensor Caution
Caution: Do not remove the pigtail from either the heated oxygen sensor
(HO2S) or the oxygen sensor (O2S). Removing the pigtail or the connector will
affect sensor operation.
Handle the oxygen sensor carefully. Do not drop the HO2S. Keep the in-line
electrical connector and the louver ...
0.0555