Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Control Valve Body Cleaning and Inspection (Gen 2)

Control Valve Body Cleaning and Inspection


Component Name


Valve springs can be tightly compressed. Use care when removing retainers and plugs. Personal injury could result.


After cleaning the transmission components, allow to air dry. Do not use cloth or paper towels in order to dry any transmission components. Lint from the towels can cause component failure.


Do not reuse cleaning solvents. Previously used solvents may deposit sediment which may damage the component.

Preliminary Procedure

Clean and inspect all valve components and the valve body. The control valve body assembly is only replaceable as an assembly.


Low-Reverse and 4?? Clutch Boost Valve Train


Low-Reverse and 4?? Clutch Regulator Valve Train


1??? Clutch Boost Valve Train


1??? Clutch Regulator Valve Train


2? Clutch Regulator ValveTrain


3? Reverse Clutch Regulator Valve Train


Defualt Override Valve Train


TCC Regulator Apply Valve Train


Clutch Select Valve Train


Actuator Feed Limit Valve Train


Manual Valve

Control Valve Body Assembly Removal
Table 1: Control Valve Body Cover Removal Table 2: Control Solenoid (With Body and TCM) Valve Assembly Removal Table 3: Control Valve Body Assembly Removal ...

Control Valve Body Cover Installation
Control Valve Body Cover Installation Callout Component Name 1 Input Speed Sensor Connector 2 ...

Other materials:

Automatic Transmission
P (Park): This position locks the front wheels. It is the best position to use when you start the engine because the vehicle cannot move easily. Warning It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can ro ...

Radio/Audio System Description and Operation
The entertainment system on this vehicle may have several different configurations available to it. To determine the specific configuration of the vehicle, please see the Service Parts ID Label, and refer to RPO Code List. Each item in the list below represents topics covered in detail below. ...

Fuel Tank Filler Pipe Replacement
Removal Procedure Remove the bracket fastener (1). Lift and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the fuel tank filler pipe bracket fastener (1). Disconnect the vent hose (2). Refer to Plastic Collar ...

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