Chevrolet Sonic Repair Manual: Spark Plug Replacement

Spark Plug Inspection

Spark Plug Usage Ensure that the correct spark plug is installed. An incorrect spark plug causes driveability conditions. Ensure that the spark plug has the correct heat range. An ...

Intake and Forced Induction

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Other materials:

Checking Engine Oil
It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handle is a loop. See Engine Compartment Overview  for the location of the engine oil dipstick. 1. I ...

Drivetrain and Front Suspension Frame Replacement
Special Tools EN-45059 Angle Meter For equivalent regional tools, refer to Special Tools. Removal Procedure Support the radiator and condenser from above using the upper brackets on each side. Raise the vehicle on a hoist. Refer to Lifting and Jacking the Vehicle. Re ...

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 3 secondary air injection check valve bolts (3) and tighten to 22 Y (16& ...