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:

Fuel Tank Replacement
Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Relieve the fuel pressure. Refer to Fuel Pressure Relief. Drain the fuel Tank. Refer to Fuel Tank Draining. Lift and support the vehicle. Refer to Lifti ...

Intake Manifold Disassemble (1.6L LDE)
Remove the intake manifold absolute pressure sensor bolt. Remove the manifold absolute pressure sensor (1) from the intake manifold (2). Remove the intake manifold mount (2) from the intake manifold (1). Remove the throttle body seal (1). ...

Drive Range - Fourth Gear (Gen 1)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command OFF the normally-high 35R pressure control ...