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:

Additional Storage Features
Cargo Cover (Hatchback) Warning An unsecured cargo cover could strike people in a sudden stop or turn, or in a crash. Store the cargo cover securely or remove it from the vehicle. The cargo cover can be used to cover items in the rear of the vehicle. To remove the cargo cover: 1. Remove both ...

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working If the warning light comes on, there is a brake problem. Have the brake system ...

Evaporative Emission System Hose/Pipe Replacement
Removal Procedure Disconnect the evaporative emission pipe (1). Refer to Plastic Collar Quick Connect Fitting Service. Remove the plastic retainer (1) and disconnect the evaporative emission pipe (2). Lift and support t ...