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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Roadside Assistance Program
For U.S.-purchased vehicles, call 1-800-243-8872; (Text Telephone (TTY): 1-888-889-2438). For Canadian-purchased vehicles, call 1-800-268-6800. Service is available 24 hours a day, 365 days a year. Calling for Assistance When calling Roadside Assistance, have the following information ready: ...

OnStar Services
Emergency With Automatic Crash Response, the built-in system can automatically connect to help in most crashes, even if help cannot be requested. Press to connect to an Emergency Advisor. GPS technology is used to identify the vehicle location and can provide critical information to emergen ...

Tire and Wheel Assembly Balancing - On-Vehicle
Special Tools EL-38792-A Electronic Vibration Analyzer (EVA) 2 If after following the tire and wheel vibration diagnostic process, some amount of tire and wheel vibration is still evident, an on-vehicle high-speed spin balancer may be used to perform an on-vehicle balance in an attempt ...