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:

All Seasons Tires Description
Most GM vehicles are equipped with steel belted all-season radial tires as standard equipment. These tires qualify as snow tires, with a higher than average rating for snow traction than the non-all season radial tires previously used. Other performance areas, such as wet traction, rolling ...

Turbocharger Removal
Special Tool EN-49942 Holding Wrench For equivalent regional tools, refer to Special Tools. Install the EN-49942 holding wrench  (2) to the turbocharger coolant feed pipe. Guide a ratchet wrench (1) along with an extension through EN-49942 holding wrench to the turbo ...

Oil Level Indicator and Tube Removal
Remove the oil dipstick. Remove the oil level indicator tube bolt (1). Note: If the engine oil level is at the maximum level, oil may emerge while removing the oil dipstick guide tube. Remove the oil level indicator tube (2) and oil level indicator seal. ...