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Home >> Cadillac >> 2008 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - Introduction >> Repair Instructions >> Knock Sensor 2 Replacement >> Installation Procedure
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Installation Procedure

  1. Thoroughly clean the mating surfaces of the KS and the engine block. The entire contact surface of the KS must lie directly on the engine block.
    2. Fig 1: View Of Knock Sensors & Electrical Connectors
    GM1284306Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice .
    IMPORTANT: DO NOT use washers, spring washers, or toothed washers when installing the KS. Tighten the bolt to the proper torque.
  2. Install the KS (4) and bolt.

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

    3. IMPORTANT: The KS wiring harness is held in place with several retaining clips.
  3. Ensure that the wiring harness is installed correctly.
  4. Connect the KS electrical connector (3).
    5. Fig 2: Supercharger Assembly
    GM1614621Courtesy of GENERAL MOTORS CORP.
  5. Install the supercharger assembly. Refer to Supercharger Replacement .
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