Chevrolet Sonic Repair Manual: Air Injection

Emissions

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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 ...

Other materials:

Brake Pedal Pushrod Inspection
Disconnect the brake pedal pushrod (2) from the brake pedal. Reposition the pedal pushrod boot (1) toward the front of the vehicle to expose as much of the pedal pushrod (2) as possible. Inspect the brake pedal pushrod (2) for straightness. If the brake p ...

Fuel System Cleaning
Note: If the fuel filter is plugged, the fuel tank should be inspected internally and cleaned if necessary. Drain the fuel tank. Refer to  Fuel Tank Draining. Remove the fuel pump module assembly. Refer to  Fuel Tank Fuel Pump Module Replacement. Inspect the fue ...

Camshaft Timing Chain Adjustment
Special Tools EN-952 Fixing Pin EN-953–A Fixing Tool EN-49977?E00 Fixation Sensor Discs For equivalent regional tools, refer to Special Tools. Remove the ignition coil. Refer to Ignition Coil Replacement. Remove the camshaft cover. Refer to Camshaft Cover Replacement. Remove ...