Chevrolet Sonic Repair Manual: Engine Block Procedures

Engine Block

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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 ...

Other materials:

Intake Manifold Cleaning and Inspection
Clean the intake manifold mating surfaces. Inspect the intake manifold (2) for damage. Inspect the intake manifold for cracks near metallic inserts. Inspect the crankcase ventilation passages in the intake manifold face for blockage. Warning: Wear safety glasses in or ...

Camshaft Actuator System Description
Camshaft Actuator System Overview (1) Camshaft Actuator Vane (2) Timing Chain Sprocket (3) Engine Oil Pressure-For retarding the camshaft (4) Camshaft (5) Input Signals from Engine Sen ...

Throttle Body Inspection and Cleaning
Note: Over extended time and mileage, deposits may accumulate on the back of the throttle valve plate. The source of the deposit is exhaust gas. Typically these deposits pose no problem. Occasionally the deposit may accumulate to a point where perceived pedal effort or throttle valve mov ...