Chevrolet Sonic Repair Manual: Knock Sensor Replacement

Chevrolet Sonic Repair Manual / Powertrain / Internal Combustion Powertrain Control / Engine Control / Engine Control Sensors / Knock Sensor Replacement

Knock Sensor Replacement
Callout	Component Name
Preliminary Procedures Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle
1	Knock Sensor Bolt Caution: Refer to Fastener Caution. Procedure Disconnect the electrical connector. DO NOT mistake the knock sensor electrical connector with the generator electrical connector. Tighten 25 Y (18 lb ft)
2	Knock Sensor

Evaporator Air Temperature Sensor Replacement (LHD)

Evaporator Air Temperature Sensor Replacement Callout Component Name 1 Evaporator Air Refrigerant Temperature Sensor ...

Knock Sensor System Description

Circuit/System Description The knock sensor system enables the engine control module (ECM) to control the ignition timing for the best possible performance while protecting the engine ...

Other materials:

System Operation
The vehicle has a Traction Control System (TCS) and StabiliTrak®, an electronic stability control system. These systems help limit wheel slip and assist the driver in maintaining control, especially on slippery road conditions. TCS activates if it senses that any of the drive wheels are spinni ...

Finish Care
Application of aftermarket clearcoat sealant/wax materials is not recommended. If painted surfaces are damaged, see your dealer to have the damage assessed and repaired. Foreign materials such as calcium chloride and other salts, ice melting agents, road oil and tar, tree sap, bird droppings, ...

Timing Belt Tensioner Replacement
Special Tools EN-6333 Timing Belt Tensioner Locking Pin EN-6340 Camshaft Locking Tool EN-45059 Torque Angle Sensor Kit For equivalent regional tools, refer to Special Tools. Removal Procedure Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement. ...

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