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:

OnStar Overview
If equipped, this vehicle has a comprehensive, in-vehicle system that can connect to a live Advisor for Emergency, Security, Navigation, Connection, and Diagnostic Services. The OnStar system status light is next to the OnStar buttons. If the status light is: Solid Green: System is ...

Brake Drum Surface and Wear Inspection
Special Tools CH-8001 Dial Indicator Set For equivalent regional tools, refer to Special Tools. Warning: Refer to Brake Dust Warning. With the brake drum removed, clean the brake shoe lining contact surface of the brake drum with denatured alcohol or an equivalent approved brak ...

Rear Brake Cylinder Replacement
Removal Procedure Warning: Refer to Brake Dust Warning. Warning: Refer to Brake Fluid Irritant Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and I ...