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:

Instrument Panel Upper Trim Panel Replacement - Right Side
Instrument Panel Upper Trim Panel Replacement - Right Side Callout Component Name Preliminary Procedure Disable the SIR system. Refer to SIR Disabling and Enabling. Remove the instrument panel center molding. Refer to Inst ...

Engine Coolant Thermostat Housing Installation
Caution: Refer to Engine Coolant Thermostat Housing Caution. Clean sealing surface. Install a NEW engine coolant thermostat housing seal. Install the engine coolant thermostat housing (2). Caution: Refer to Fastener Caution. Note: Screw in the 4  ...

Drive Range, Second Gear (Gen 1)
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 ...