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:

Throttle Body Heater Outlet Hose Replacement (LUW)
Throttle Body Heater Outlet Hose Replacement Callout Component Name Preliminary Procedure Drain the cooling system. Refer to Cooling System Draining and Filling. Remove the air cleaner outlet duct. Refer to Air Cleaner Out ...

Thrust Washer and Bearing Cleaning and Inspection
Warning: Wear safety glasses to avoid injury when using compressed air or any cleaning solvent. Bodily injury may occur if fumes are inhaled or if skin is exposed to chemicals. Caution: Do not allow the bearings to spin. Turn them slowly by hand. Spinning the beari ...

Transmission Fluid Level and Condition Check
Removal Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Remove the front suspension skid plate, if equipped. Refer to Drivetrain and Front Suspension Frame Skid Plate Replacement Place a basin underneath the vehicle. Clean away all ...