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:

Brake Rotor Thickness Variation Measurement
Warning: Refer to Brake Dust Warning. Note: Any disc brake rotor that exhibits thickness variation exceeding the maximum acceptable level must be refinished or replaced. Thickness variation exceeding the maximum acceptable level can cause brake pulsation. If the inboard fricti ...

Water Inlet Replacement (LUW)
Removal Procedure Drain the engine coolant system. Refer to Cooling System Draining and Filling. Disconnect the engine coolant temperature sensor connector (1). Remove the radiator outlet hose connector clip (2) and the radiator outlet hose  ...

Turbocharger Disassemble
Special Tool EN-49940 Remover Quick Connector For equivalent regional tools, refer to Special Tools. Remove the 2 turbocharger oil return pipe bolts (2). Remove the turbocharger oil return pipe (1) and the sealing (3) from the turbocharger. Note ...