Chevrolet Sonic Repair Manual: Camshaft

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 ...

Camshaft Actuator System Description

Camshaft Actuator System Overview (1) Camshaft Actuator Vane (2) Timing Chain Sprocket (3) Engine Oil Pressure-For retarding ...

Other materials:

Exhaust Rear Muffler Replacement (LUV,LUW)
Special Tools CH-6614 Chain Pipe Cutter For equivalent regional tools, refer to Special Tools. Removal Procedure Warning: Refer to Exhaust Service Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Cut the exhaust rear mu ...

Spark Plug Inspection
Spark Plug Usage Ensure that the correct spark plug is installed. An incorrect spark plug causes driveability conditions. Ensure that the spark plug has the correct heat range. An incorrect heat range causes the following conditions: Spark plug fouling—Colder plu ...

Drive Range, Fifth Gear Default (Gen 1)
If the transmission encounters an electrical component malfunction, the transmission will default to Fifth gear. All solenoids will default to their normal state. If the torque converter clutch is applied, it will release. The transmission will remain in Drive Range?Fifth Gear Default until th ...