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:

Tire and Wheel Assembly Runout Measurement - Off Vehicle
Raise and support the vehicle. Mark the location of the wheels to the wheel studs and mark the specific vehicle position on each tire and wheel – LF, LR, RF, RR. Remove the tire and wheel assemblies from the vehicle. Closely inspect each tire for proper and even bead seating. If an ...

Special Tools
Illustration Tool Number/ Description BO-38185 J-38185 Hose Clamp Pliers BO-42220 J-42220 Universal 12V Leak Detection Lamp CH-37872 GE-30206952 3-02 ...

Secondary Air Injection System Description
The Secondary Air Injection System aids in the reduction of hydrocarbon exhaust emissions during a cold start. This occurs when the start-up engine coolant temperature (ECT) is between −10 to +56?C (14?33?F), the intake air temperature (IAT) is greater than −10?C (14?F) and it has ...