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:

Remote Lock, Unlock, Start
Select Remote Lock, Unlock, Start and the following may display: Remote Unlock Feedback Remote Lock Feedback Remote Door Unlock Remote Unlock Feedback When on, the exterior lamps will flash when unlocking the vehicle with the RKE transmitter. Select On or Off. Remote Lock Feedback T ...

Battery Charging
Special Tools EL 50313 Battery Tester For equivalent regional tools, refer to Special Tools. Diagnostic Aids For best results, use an automatic taper-rate battery charger with a voltage capability of 16 V. The charging area should be well ventilated. Do not charge a bat ...

Turbocharger Cleaning and Inspection
Cleaning Procedure Clean all sealing surfaces. Clean all threads if necessary. Inspection Procedure Inspect the wastegate regulator mechanism (1) for functionality. Inspect the turbine blades for damage or foreign material. Inspect the t ...