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 Side Door Outer Panel Replacement
Removal Procedure Warning: Refer to Glass and Sheet Metal Handling Warning. Note: According to different corrosion warranties, only the regional mandatory joining methods are allowed. Disable the SIR System. Refer to SIR Disabling and Enabling. Dis ...

Drive Range, First Gear Engine Braking (Gen 1)
When the gear selector lever is moved to the Drive (D) range from the Neutral (N) position, the transmission will provide engine braking. In this operating range, the normally-low 1234 pressure control solenoid 5 is commanded ON and, in the engine braking mode, the following changes occur with ...

Crankshaft Rear Oil Seal Replacement
Special Tools EN-658 Rear Main Seal Installer For equivalent regional tools, refer to Special Tools. Removal Procedure If equipped with automatic transmission, remove the flex plate. Refer to Automatic Transmission Flex Plate Replacement. If equipped with a manual transmis ...