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:

Driving on Snow or Ice
Drive carefully when there is snow or ice between the tires and the road, creating less traction or grip. Wet ice can occur at about 0°C (32°F) when freezing rain begins to fall, resulting in even less traction. Avoid driving on wet ice or in freezing rain until roads can be treated with sa ...

Oil Pressure Relief Valve Replacement
Removal Procedure Remove the oil pan. Refer to Oil Pan Replacement. Remove the oil pressure relief valve closure bolt (1). Remove the oil pressure relief valve assembly (2). Separate the piston (3) and the spring (4). Warning: Bod ...

Special Tools (Diagnostic Tools)
Illustration Tool Number/Description CH-34730-2C J-34730-2C Injector Test Lamp CH-38641-B J-38641-B Diesel Fuel Quality Tester CH-39021-301 J-39021-301 ...