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:

Radio Antenna Base Replacement
Radio Antenna Base Replacement Callout Component Name Preliminary Procedure Lower the rear of the headlining trim panel. Refer to Headlining Trim Panel Replacement. 1 Radio Antenna Base Fastener ...

Automatic Transmission Flex Plate Installation
Special Tools EN-652 Automatic Transmission Flex Plate Holder For equivalent regional tools, refer to Special Tools. Clean the automatic transmission flex plate bolt threads. Install the automatic transmission flex plate (2) and the EN-652 holder to hold the automatic tran ...

Drive Range, Second Gear (Gen 2)
As vehicle speed increases and operating conditions become appropriate, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to comman ...