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Home >> Saturn >> 2005 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Knock Sensor (KS) 1 Replacement >> Installation Procedure
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Installation Procedure

    Fig 1: Installing Knock Sensor No. 1
    GM894701Courtesy of GENERAL MOTORS CORP.
  1. Route the knock sensor by placing the harness behind the generator bracket and attach the knock sensor 1 wire to the attachment clips.
  2. NOTE: Refer to Fastener Notice in Cautions and Notices.
  3. Install the knock sensor between the 2 and 3 o'clock position and install the attachment bolt.

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

  4. IMPORTANT: It may be easier to tighten the upper generator bolt when the vehicle is brought back to the ground.
  5. Install the generator and the attachment bolts.

    Tighten:  Tighten the generator mounting bolts to 40 N.m (30 lb ft).

  6. Install the generator charging post terminal (ORN wire) and the attachment nut.

    Tighten:  Tighten the B+ cable to the generator nut to 16 N.m (12 lb ft).

  7. Install the generator L-terminal connector (ring terminal) and hold down the nut.

    Tighten:  Tighten the generator L-terminal nut to 16 N.m (12 lb ft).

  8. Fig 2: Removing/Installing Drive Belt Tensioner
    GM896418Courtesy of GENERAL MOTORS CORP.
  9. Install the belt tensioner and the attachment bolts.

    Tighten:  Tighten the belt tensioner bolts to 40 N.m (30 lb ft).

  10. Install the front splash shield, pushpins, and screws.
  11. Lower the vehicle.
  12. Tighten the upper generator to the engine block bolt, if not already tightened.

    Tighten:  Tighten the generator mounting bolts to 40 N.m (30 lb ft).

  13. Connect the knock sensor 1 harness connector. Push the connector in until the lock position is felt, the pull back to confirm engagement.
  14. Fig 3: Using 15 mm Wrench To Rotate Tensioner Pulley
    GM894336Courtesy of GENERAL MOTORS CORP.
  15. Install the drive belt.
  16. Connect the negative battery cable to the battery.

    Tighten:  Tighten the battery terminal bolts to 17 N.m (13 lb ft).

  17. Reprogram the preset radio stations and set the clock to the correct time.