Chevrolet Sonic Repair Manual: Valvetrain

Starter Replacement (LUW)

Removal Procedure Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking ...

Valve Guide Reaming, and Valve and Seat Grinding

Valve Cleaning Procedure Use soft bristle wire brush to clean any carbon build-up from the valve head. DO NOT use a wire brush on any part of the valve stem. The valve stem is chr ...

Other materials:

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working If the warning light comes on, there is a brake problem. Have the brake system ...

Winter Tires
This vehicle was not originally equipped with winter tires. Winter tires are designed for increased traction on snow and ice-covered roads. Consider installing winter tires on the vehicle if frequent driving on ice or snow covered roads is expected. See your dealer for details regarding winter ...

Electronic Brake Control Module Programming and Setup
Note: DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration software, the ECU will not control all of the vehicle features properly. Ensure the programming tool is ...