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:

Instrument Panel Outer Air Outlet Duct Replacement
Instrument Panel Outer Air Outlet Duct Replacement Callout Component Name Preliminary Procedures Remove the instrument panel assembly. Refer to Instrument Panel Assembly Replacement. Reposition any wiring or hoses to gain ...

Tire and Wheel Balancing (Road Force Variation (RFV))
ALL wheel/tire assemblies must have a RFV within spec before being mounted on vehicle. Important: If a wheel/tire assembly is not within the RFV specification after match mounting, the tire must be returned to the tire manufacturer. DO NOT install tire/wheel assembly on a vehicl ...

Engine Front Cover and Oil Pump Cleaning and Inspection
Engine Front Cover Cleaning Procedure Clean the engine front cover sealing surface. Warning: Wear safety glasses when using compressed air in order to prevent eye injury. Caution: To ensure proper engine lubrication, clean clogged or contaminated oil g ...