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:

Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam Changer): Push the turn signal lever away from you to turn the high beams on. Push the lever again or pull the lever toward you to return to low beams. This indicator light turns on in the instrument cluster when the high-beam headlamps are on. ...

Brake Rotor Assembled Lateral Runout Correction
Note: Brake rotor thickness variation MUST be checked BEFORE checking for assembled lateral runout (LRO). Thickness variation exceeding the maximum acceptable level can cause brake pulsation. Refer to Brake Rotor Thickness Variation Measurement. Brake rotor assembled latera ...

Crankshaft Position Sensor Replacement
Crankshaft Position Sensor Replacement Callout Component Name Preliminary Procedures Raise and support the vehicle. Refer to  Lifting and Jacking the Vehicle 1 Crankshaft Position Sensor B ...