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:

Cleaning Exterior Lamps/ Lenses, Emblems, Decals and Stripes
Use only lukewarm or cold water, a soft cloth, and a car washing soap to clean exterior lamps, lenses and emblems. Follow instructions under "Washing the Vehicle" previously in this section. Lamp covers are made of plastic, and some have a UV protective coating. Use only lukewarm wat ...

Engine Coolant Thermostat Replacement (LUW)
Removal Procedure Warning: Refer to Battery Disconnect Warning. Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Drain the coolant. Refer to Cooling System Draining and Filling. Disconnect the en ...

Fuel Tank Pressure Sensor Replacement
Fuel Tank Pressure Sensor Replacement Callout Component Name Preliminary Procedure Remove the fuel tank. Refer to Fuel Tank Replacement. 1 Fuel Tank Pressure Sensor Procedure Disco ...