Chevrolet Sonic Repair Manual: Emissions

Engine Coolant Fan Shroud Replacement (LUV)

Engine Coolant Fan Shroud Replacement Callout Component Name Preliminary Procedures Drain the engine coolant. Refer to Cooling Syst ...

Air Injection

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Other materials:

If No Steam Is Coming from the Engine Compartment
If an engine overheat warning is displayed but no steam can be seen or heard, the problem may not be too serious. Sometimes the engine can get a little too hot when the vehicle: Climbs a long hill on a hot day. Stops after high-speed driving. Idles for long periods in traffic. If the ...

Cylinder Head Cleaning and Inspection
Valve Cleaning and Inspection Warning: Bodily injury may occur if the cleaning solvent is inhaled or exposed to the skin. Note: Do not scratch the valve stem with the wire brush. Clean the valves of carbon, oil and varnish. Carbon can be remove ...

Engine Oil Pressure Indicator Switch Replacement
Engine Oil Pressure Indicator Switch Replacement Callout Component Name Preliminary Procedure Remove the air conditioning compressor. Refer to Air Conditioning Compressor Replacement. 1 Oil Pres ...