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:

Dinghy Towing All except RS Model with Automatic Transmission
When dinghy towing a vehicle with an automatic transmission, the vehicle should be run at the beginning of each day and at each RV fuel stop for about five minutes. This will ensure proper lubrication of transmission components. To dinghy tow the vehicle from the front with all four wheels on ...

Engine Block Assemble
Install the 4 piston oil nozzles (1). Caution: Refer to Fastener Caution. Install the 4 piston oil nozzle bolts (2) and tighten to  25 Y (18 lb ft). Install the knock sensor (2). Install the knock se ...

Exhaust Camshaft Installation
Note: Mind the markings on the camshaft bearing caps. Camshaft bearing caps should be installed in their original position. Lubricate camshaft and camshaft bearing caps with engine oil. Install the exhaust camshaft (3). Install the 5 camshaft bearing caps̴ ...