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:

Water Pump Pulley Replacement (LUW)
Removal Procedure Remove the air cleaner housing. Refer to  Air Cleaner Assembly Replacement. Support the engine with a suitable jack. Remove the engine mount. Refer to Engine Mount Replacement. Raise engine to access the bolts. Loosen the 3 water pu ...

Fuel Tank Pressure Sensor Replacement
Fuel Tank Pressure Sensor Replacement Callout Component Name Preliminary Procedure Remove the fuel tank. Refer to Fuel Tank Replacement. 1 Fuel Tank Pressure Sensor Procedure Disco ...

Gears Cleaning and Inspection (Gen 1)
Gears Warning: Wear safety glasses to avoid injury when using compressed air or any cleaning solvent. Bodily injury may occur if fumes are inhaled or if skin is exposed to chemicals. Clean the following gears in a suitable solvent and air dry all the p ...