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:

Additional Storage Features
Cargo Cover (Hatchback) Warning An unsecured cargo cover could strike people in a sudden stop or turn, or in a crash. Store the cargo cover securely or remove it from the vehicle. The cargo cover can be used to cover items in the rear of the vehicle. To remove the cargo cover: 1. Remove both ...

Battery Load Management
The vehicle has Electric Power Management (EPM) that estimates the battery's temperature and state of charge. It then adjusts the voltage for best performance and extended life of the battery. When the battery's state of charge is low, the voltage is raised slightly to quickly bring t ...

Drive Belt Tensioner Installation
Install the drive belt tensioner (1). Install the upper drive belt tensioner bolt (2). Install the lower drive belt tensioner bolt (3). Caution: Refer to Fastener Caution. Tighten the lower drive belt tensioner bolt (M8) to 22 Y (16&# ...