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:

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working If the warning light comes on, there is a brake problem. Have the brake system ...

Engine Oil Cooler Installation
Note: Lubricate the oil cooler seal (8) with clean engine oil. Install the engine oil cooler assembly (6) along with 2 NEW sealings (8) and (9). Install the 3 oil cooler bolts (5) and tighten to  10 Y (89 l ...

Control Solenoid Valve and Transmission Control Module Assembly Inspection
Verify the conditions listed below do not exist. Carefully inspect the control solenoid valve assembly connectors and pins (1, 2, 4, 6) for the condition. Repair or replace as necessary. Damage Bent pins Debris Broken retaining tab Contamination Verify there is ...