2012 Chevrolet Cruze LTZFACTORY OEM SERVICE PROCEDURE

Knock Sensor Replacement

Fig 1: Knock Sensor
GM2191811Courtesy of GENERAL MOTORS COMPANY
Knock Sensor Replacement

Callout 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
1 Knock Sensor Bolt
CAUTION:

Refer to Fastener Caution .

Procedure

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

TightenΒ 
25 N.m (18 lb ft)
2 Knock Sensor
Factory Service Tools

Use the Manual With the Right Hardware

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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