Chevrolet Sonic Repair Manual: Engine Control Module

Turbocharger Wastegate Regulator Solenoid Valve Replacement

Charge Air Bypass Regulator Solenoid Valve Replacement Callout Component Name Preliminary Procedure Disconnect the radiator out ...

Engine Control Module Description

The Engine Control Module (ECM) interacts with many emission related components and systems, and monitors emission related components and systems for deterioration. OBD II diagnostics monitor the ...

Other materials:

Fog Lamp Aiming
Preparation Procedure Note: Horizontal aim is not adjustable on this vehicle. Vertical aim is done by an adjusting nut located on the rear of the fog lamp. Prior to aiming the fog lamps, perform the following steps: Completely assemble all of the components on the vehi ...

Steering Wheel Straight and Column Locked Caution
Caution: With wheels of the vehicle facing straight ahead, secure the steering wheel utilizing steering column anti-rotation pin, steering column lock, or a strap to prevent rotation. Locking of the steering column will prevent damage and a possible malfunction of the SIR system. The ste ...

Piston, Connecting Rod, and Bearing Removal
Install the crankshaft balancer bolt. Set the pistons 1 and 4 to TDC in direction of engine rotation. Note: Note cylinder sequence. Mark the connecting rod with the connecting rod bearing cover (1). Remove the 4 connecting rod bearing caps bol ...