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Installation Procedure

IMPORTANT: Rotate the pigtail 90 degrees from vertical before securing the fastener.
    Fig 1: Identifying Knock Sensor
    GM1578476Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
  1. Install the knock sensor.
  2. Install the knock sensor bolt.

    Tighten:  Tighten the bolt to 25 N.m (18 lb ft).

    3. Fig 2: Identifying Engine Wiring Harness Electrical Connectors
    GM1890235Courtesy of GENERAL MOTORS CORP.
  3. Install the knock sensor electrical connector pigtail (6) clip to the oil level indicator tube bracket.
  4. Connect the engine wiring harness electrical connector (1) to the knock sensor pigtail electrical connector (6).
  5. Lower the vehicle.
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