Chevrolet Sonic Repair Manual: Air Injection

Emissions

...

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:

Tire and Wheel Assembly Runout Measurement - On-Vehicle
Raise and support the vehicle. Closely inspect each tire for proper and even bead seating. If any of the tire beads were not properly or evenly seated, reseat the tire bead, then proceed to step 4. Refer to Tire and Wheel Removal and Installation. Wrap the circumferenc ...

Cooling Fan Description and Operation (LWE, LUW)
System Overview The engine cooling fan system is composed of one cooling fan, 2 relays, the engine control module (ECM), and the associated wiring. The cooling fan assembly includes 1 resistor mounted in the cooling fan shroud. The cooling fan resistor may be a stand alone compon ...

Control Valve Body Cover Replacement
Removal Procedure Disconnect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the front bumper fascia opening lower cover. Refer to Front Bumper ...