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:

Dinghy Towing All except RS Model with Automatic Transmission
When dinghy towing a vehicle with an automatic transmission, the vehicle should be run at the beginning of each day and at each RV fuel stop for about five minutes. This will ensure proper lubrication of transmission components. To dinghy tow the vehicle from the front with all four wheels on ...

Front Wheel Drive Shaft Seal Replacement - Case Side
Front Wheel Drive Shaft Seal Replacement - Case Side Callout Component Name 1 Front Wheel Drive Shaft Oil Seal Special Tools DT-23129 Universal Seal Remover DT-47790 Seal Installer GE-6125-1B Slide Hamme ...

Exhaust Camshaft Installation
Note: Mind the markings on the camshaft bearing caps. Camshaft bearing caps should be installed in their original position. Lubricate camshaft and camshaft bearing caps with engine oil. Install the exhaust camshaft (3). Install the 5 camshaft bearing caps̴ ...