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:

Rear Brake Hose Replacement (Body to Axle - Disc Brake)
Removal Procedure Warning: Refer to Brake Dust Warning. Warning: Refer to Brake Fluid Irritant Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Install ...

Cylinder Head Installation
Special Tools EN-45059 Torque Angle Sensor Kit For equivalent regional tools, refer to Special Tools. Clean the sealing surfaces. Inspect for plane surface. Cylinder block, cylinder head Straight-edge, feeler gauge Install the cylinder head gasket. Install the cylinder head. ...

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 ( ...