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Home >> Saturn >> 2005 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Knock Sensor (KS) 2 Replacement >> Installation Procedure
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Installation Procedure

  1. Tie the end of the string to the connector end of the knock sensor 2.
  2. Pull up on the string above the A/C compressor to guide the sensor connector around the A/C compressor bracket.
    3. Fig 1: Removing/Installing Knock Sensor No. 2
    GM894667Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Once the knock sensor connector is above the A/C compressor, install the knock sensor 2 attachment bolt with a knock sensor 2 wire facing between the 9 and 10 o'clock position.

    Tighten:  Tighten the knock sensor bolt to 20 N.m (15 lb ft).

  4. Lower the vehicle.
  5. Attach the knock sensor wire to the attachment clip located about 6 inches below the attachment clip on the camshaft position sensor.
  6. Attach the knock sensor wire to the attachment clip located on the camshaft position sensor.
  7. Connect the knock sensor 2 harness connector. Push the connector in until the lock position is felt, then pull back to confirm engagement.
  8. Install the power steering pump pulley and snug down the attachment bolts.
    9. Fig 2: Using 15 mm Wrench To Rotate Tensioner Pulley Clockwise
    GM898882Courtesy of GENERAL MOTORS CORP.
  9. Install the accessory drive belt.
  10. Tighten the power steering pump pulley bolts.

    Tighten:  Tighten the power steering pulley bolt to 20 N.m (15 lb ft).

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