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:

Tire and Wheel Balancing (Wheel Pilot Bore Greasing)
Beginning with MY 2011 vehicle, pilot bore grease should be applied. To enable this, grease must be applied to the pilot bore to prevent the wheel from seizing onto the hub. Refer to Adhesives, Fluids, Lubricants, and Sealers for pilot bore lubricant part number. Do not use any pene ...

Odor Correction
Eliminating Air Conditioning Odor Odors may be emitted from the air conditioning system primarily at start up in hot, humid climates. The following conditions may cause the odor: Debris is present in the HVAC module. Microbial growth on the evaporator core When the blower ...

Evaporative Emission System Hose/Pipe Replacement
Special Tools CH-807 Closure Plugs CH-6015 Closure Plugs For equivalent regional tools, refer to Special Tools. Removal Procedure Warning: Refer to Gasoline/Gasoline Vapors Warning. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnec ...