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:

Strut and Shock Absorber Inspection (Shock Absorber)
Note: The shock absorber assembly DOES NOT have to be removed from the vehicle to perform the following inspection procedure. Note: A light film of oil on the top portion of the lower shock absorber tube is normal. DO NOT replace the shock absorber for this condition. Condition ...

Engine Coolant Thermostat Housing Removal
Caution: Refer to Engine Coolant Thermostat Housing Caution. Remove the engine coolant thermostat housing retainer nut (4). Remove the engine coolant thermostat housing retainer (1). Remove the 4 engine coolant thermostat housing bolts (3). Remo ...

Intake Manifold Assemble
Install the evaporative emission canister purge solenoid valve (3). Install the 2 manifold absolute pressure sensors (2). Install the 2 manifold absolute pressure sensor bolts (1) and tighten. Install the fuel injection fuel rail assembly  ...