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Home >> Cadillac >> 2007 >> SRX 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.6L - Introduction (2 Of 2) >> Repair Instructions >> Knock Sensor 2 Replacement >> Installation Procedure

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.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
    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 (1) and the bolt to the engine block.

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

    Fig 1: View Of Knock Sensors & Electrical Connectors
    GM1284306Courtesy of GENERAL MOTORS CORP.
    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 electrical connector (2) to the KS (1).
  5. Install the intake manifold. Refer to Intake Manifold Replacement .
    Fig 2: View Of Intake Manifold & Bolts
    GM928175Courtesy of GENERAL MOTORS CORP.
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