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:

Airbag Instrument Panel Module Replacement
Airbag Instrument Panel Module Replacement Callout Component Name Warning: Refer to SIR Inflator Module Handling and Storage Warning. Warning: Refer to SIR Warning. Preliminary Procedure Disable t ...

Special Tools
Illustration Tool Number/Description EL 46079 Tire Pressure Monitor Diagnostic Tool el50448oec-t5 EL 50448 Tire Pressure Monitor Sensor Activation Tool ...

Drive Range - Fourth Gear (Gen 2)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command OFF the normally-low 35R pressure control ...