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:

Engine Oil Cooler Disassemble
Remove the oil cooler coolant inlet hose clamp (2). Remove the oil cooler coolant inlet hose (1). Remove the oil cooler coolant inlet pipe bolt (7) Remove the oil cooler coolant inlet pipe (3) and the seal ring (6). Remove the oil cooler coolant out ...

Oil Pan Installation
Special Tools EN-49980 Guidance Pins For equivalent regional tools, refer to Special Tools. Clean the sealing surfaces from old sealing material, dirt, oil and grease. Note: The sealing bead should be applied close to the inner edge of the oil pan. Take care that the oil suctio ...

Drive Belt Tensioner Installation
Install the drive belt tensioner (1). Install the upper drive belt tensioner bolt (2). Install the lower drive belt tensioner bolt (3). Caution: Refer to Fastener Caution. Tighten the lower drive belt tensioner bolt (M8) to 22 Y (16&# ...