Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Immobilizer

Ignition Lock Cylinder Replacement
Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Remove the upper trim cover and the lower trim cover f ...

Immobilizer Description and Operation
The immobilizer system functions are provided by the body control module (BCM) and the engine control module (ECM), as well as any modules which store and report the environment identifier. When ...

Other materials:

Drum Brake Hardware Inspection
Warning: Refer to Brake Dust Warning. Visually inspect the drum brake upper return spring (1) for the following conditions: Excessive corrosion Excessive stretching Broken Missing If any of the conditions listed were found, the drum brake upper return sp ...

Air Conditioning Compressor Replacement (LDE, LUW, LWE)
Air Conditioning Compressor Replacement Callout Component Name Preliminary Procedure Recover the refrigerant. Refer to Refrigerant Recovery and Recharging. Raise and support the vehicle. Refer to Lifting and Jacking the ...

Secondary Air Injection Check Valve Installation
Install a NEW secondary air injection check valve gasket (1). Install the secondary air injection check valve (2). Caution: Refer to Fastener Caution. Install the 3 secondary air injection check valve bolts (3) and tighten to 22 Y (16& ...

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