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Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Savana and 2009 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Knock Sensor Wiring Harness Electrical Connector
    GM1950124Courtesy of GENERAL MOTORS CORP.
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Reposition the knock sensor sleeve down, away from the knock sensor, if equipped.
  3. Disconnect the engine wiring harness electrical connector (1) from the knock sensor.
    4. Fig 2: View Of Knock Sensor & Bolt
    GM1877015Courtesy of GENERAL MOTORS CORP.
  4. Remove the knock sensor bolt and sensor.
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