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 ...

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Blizzard Conditions
Being stuck in snow can be a serious situation. Stay with the vehicle unless there is help nearby. If possible, use Roadside Assistance. See Roadside Assistance Program. To get help and keep everyone in the vehicle safe: Turn on the hazard warning flashers. Tie a red cloth to an outside mi ...

Camshaft Sprocket Removal
Loosen the intake camshaft sprocket bolt (1) while holding the hexagon of intake camshaft (2) with a wrench. Remove the intake camshaft sprocket bolt (1) and the intake camshaft position exciter wheel (2). Remove the intake camshaft sprocket ( ...

Heated Oxygen Sensor Replacement - Sensor 1
Heated Oxygen Sensor Replacement - Sensor 1 Callout Component Name Warning: In order to avoid being burned, do not service the exhaust system while it is still hot. Service the system when it is cool. Prelimi ...