Chevrolet Sonic Repair Manual: Catalytic Converter

Secondary Air Injection System Description

The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 t ...

Catalytic Converter Heat Shield Replacement (LUV)

Catalytic Converter Heat Shield Replacement Callout Component Name Warning: Refer to Exhaust Service Warning. ...

Other materials:

Fuel Tank Fuel Pump Module Replacement (Steel Tank)
Special Tools EN-48279 Fuel Sender Lock Ring Wrench For equivalent regional tools, refer to Special Tools. Removal Procedure Relieve the fuel system pressure. Refer to Fuel Pressure Relief. Remove the fuel tank. Refer to Fuel Tank Replacement. Disconnect the ...

Turbocharger Wastegate Regulator Solenoid Valve Replacement
Charge Air Bypass Regulator Solenoid Valve Replacement Callout Component Name Preliminary Procedure Disconnect the radiator outlet hose from the water inlet. Refer to Water Inlet Replacement. 1 ...

Definitions and Abbreviations
Throttle Positions Engine Braking A condition where the engine is used to slow the vehicle by manually downshifting during a zero throttle coastdown. Full Throttle Downshift A quick apply of the accelerator pedal to its full travel, forcing a downshift. ...