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Home >> Cadillac >> 2004 >> CTS Base, 3.2 N >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 2.6L & 3.2L - Introduction >> Repair Instructions >> Knock Sensor (KS) 2 Replacement >> Removal Procedure

Removal Procedure

    Fig 1: Locating Electrical Connector To Knock Sensor Pigtail & Bracket
    GM785856Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the knock sensor pigtail (1) from the electrical connector (2) and bracket.
  2. Remove the accessory mounting bracket. Refer to Accessory Mounting Brackets Replacement in Engine Mechanical-2.6L and 3.2L.
    3. IMPORTANT: Observe the routing of the pigtail for proper installation.
  3. Remove the knock sensor pigtail from the retaining clips.
    4. Fig 2: Locating Knock Sensor
    GM21524Courtesy of GENERAL MOTORS CORP.
  4. Remove the bolt from the center of the knock sensor (2).
  5. Remove the knock sensor (2) from the engine block.
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