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Home >> Saturn >> 2010 >> Sky Red Line, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Controls And Fuel - 2.0L - Repair Instructions >> Repair Instructions >> Knock Sensor Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: View Of Knock Sensors
    GM1769811Courtesy of GENERAL MOTORS CORP.
    NOTE: Rotate the pigtail 90 degrees from vertical before securing the fastener.
  1. Position the appropriate knock sensor to the engine block.
    2. CAUTION: Refer to Fastener Caution .
  2. Tighten the appropriate knock bolt to 25 N.m (18 lb ft).
    3. Fig 2: Identifying Front & Rear Knock Sensor Clips
    GM1717513Courtesy of GENERAL MOTORS CORP.
  3. Install the front knock sensor clip (1) to the oil level indicator tube, if required.
  4. Install the rear knock sensor clip (2) to the intake manifold brace, if required.
    5. Fig 3: Identifying ETC Connector
    GM1825527Courtesy of GENERAL MOTORS CORP.
  5. Connect the engine wiring harness electrical connector (2) to the rear knock sensor.
    6. Fig 4: Identifying Front Knock Sensor Electrical Connectors
    GM1717515Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine wiring harness electrical connector (2) to the front knock sensor.
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