Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Knock Sensor Replacement

Knock Sensor Replacement


Component Name

Preliminary Procedures

  1. Disconnect battery negative cable. Refer to Battery Negative Cable Disconnection and Connection.
  2. Raise and support the vehicle. Refer to  Lifting and Jacking the Vehicle


Knock Sensor Bolt


Refer to Fastener Caution.


  1. Disconnect the electrical connector.
  2. DO NOT mistake the knock sensor electrical connector with the generator electrical connector.

25 Y (18 lb ft)


Knock Sensor

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Knock Sensor System Description
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