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:

Data Link Communications Description and Operation
Note: This is an overview of different serial data buses used by GM devices to communicate with each others. Use Data Communication Schematics to find out which serial data buses are configured for a specific vehicle. Circuit Description There are many components in a vehicle t ...

Body Control Module Programming and Setup
Note: DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the control module is not properly configured with the correct calibration software, the control module will not control all of the vehicle features properly. Ensure th ...

Manual Shift Shaft and Seal Replacement
Special Tools DT-45201 Cooler Line Seal Remover DT-49101 Seal Installer For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Remove the manual shaft and position switch assembly. Refer ...