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:

Safety Locks
The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Manual Safety Locks If equipped, the safety lock is located on the inside edge of the rear doors. To use the safety lock: 1. Insert the key into the safety lock slot and turn it so the slot is ...

What to Use
Warning Adding only plain water or some other liquid to the cooling system can be dangerous. Plain water and other liquids, can boil before the proper coolant mixture will. The coolant warning system is set for the proper coolant mixture. With plain water or the wrong mixture, the engine coul ...

Air Conditioning Refrigerant Service Valve Core Replacement
Special Tools GE-39400-A Halogen Leak Detector GE-46246 Valve Core Removal Tool For equivalent regional tools, refer to Special Tools. Removal Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Remove the service port valve cor ...